Modern Heat are the UK distrubutor for TESY Electric Water Heaters. TESY electric hot water cylinders offer energy efficient innovation and reliability. We offer a wide range of electric water heating cylinders, consisting of a variety of different sizes to fulfill the hot water requirements of both domestic and commercial applications.

The Benefits of Electric Water Heaters:

Homeowners and businesses alike favour Electric Hot Water Heaters for their user-friendly installation, energy efficiency, and adaptability to various settings. Our range of TESY electric water cylinders are designed and engineered to ensure a continuous and convenient supply of hot water.

Highlighted Features:

  • Energy Efficiency: The design of TESY hot water cylinders focuses on energy efficiency. This fensures that hot water is delivered with minimal energy consumption, contributing to reduced energy costs for consumers.
  • Reliability: The reliability of hot water supply is paramount. Our electric water cylinders are crafted to withstand the test of time. TESY hot water cylinders deliver hot water when needed, thereby ensuring peace of mind.
  • Versatility: TESY electric hot water cylinders are known for their versatility, catering to a wide spectrum of needs. Whether it’s a compact solution for a 1 bedroom apartment or a high-capacity unit for a bustling commercial space.
  • Simplified Installation: Specifically TESY electric hot water cylinders are designed to make installation simple and straightforward. Therefore  making them a convenient choice for new installations and replacements alike.

Elevate Your Water Heating Experience:

TESY are Europes largest manufacturer of hot water cylinders. If its time to consider the intelligent choice for your hot water needs then explore our range of hot water cylinders from TESY.

View our selection of TESY electric water heaters today, and discover the ideal solution for you.

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    8 Litre Safety Expansion Vessel – Model 8 We recommend that you install a safety expansion vessel in accordance with a Tesy Hot Water Cylinder of 30 litres or more. NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. Tesy hot water Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations. If you have any technical questions we are on hand to help 0161 439 1400 Manufactured In Europe  
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    TESY Under Counter Instant Hot Water

    £109.00 inc VAT

    The TESY Compact under counter instant hot water heater offers highly efficient electric hot water heating for instant hot water. The Compact under counter water heater holds 10 litres of pre heated water to ensure that hot water is instantly available when you need it. Ideally suited to washrooms, caravan, motor-home, boat, kitchen, bathroom, tack room etc etc.

    The desired temperature of the water can easily be adjusted and selected by turning the temperature control dial on the front of the appliance.

    Designed to be connected directly to the mains cold water supply, the TESY instant hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation. Simply connect the compact appliance to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection, both connections are 15mm connect to a 13amp fused spur and it will provide instant hot water.

    Dowload TESY Under Counter Data Sheet

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £40.00 TO ALL BT, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

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    The BiLight Vertical electric water heaters offer the very latest innovation in highly efficient electric hot water heating.

    The BiLight Series offer “un-vented” hot water cylinders that conform to the highest European high efficiency requirements. Manufactured in Europe, the product range offers models with storage capacity ranging from 30 to 150 litres. (30 litre / 50 litre / 80 litre / 100 litre / 120 litre / 150 litre).

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation.

    Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a 13amp fused spur and the cylinder will provide hot water.

    The unique design offers an adjustable temperature control to allow the user to select the desired water temperature and high efficiency water heating that are up to 16% more efficient than rival hot water cylinders.

    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • ELECTRIC On/Off Switch
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • LIGHT COLOUR Indicator to provide a visual indication that the water is at the designed temperature
    • FREEZE PROTECTION
    • GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £40.00 TO ALL BT, Highlands, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

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    The BiLight Vertical electric water heaters offer the very latest innovation in highly efficient electric hot water heating.

    The BiLight Series offer “un-vented” hot water cylinders that conform to the highest European high efficiency requirements. Manufactured in Europe, the product range offers models with storage capacity ranging from 30 to 150 litres. (30 litre / 50 litre / 80 litre / 100 litre / 120 litre / 150 litre).

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation.

    Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a 13amp fused spur and the cylinder will provide hot water.

    The unique design offers an adjustable temperature control to allow the user to select the desired water temperature and high efficiency water heating that are up to 16% more efficient than rival hot water cylinders.

    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • ELECTRIC On/Off Switch
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • LIGHT COLOUR Indicator to provide a visual indication that the water is at the designed temperature
    • FREEZE PROTECTION
    • GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm
    • TESY Bi-Light 50 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £40.00 TO ALL BT, Highlands, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

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    Tesy Bilight 50 ltr HORIZONTAL

    £179.99 inc VAT

    The BiLight Horizontal electric water heaters offer the very latest innovation in highly efficient electric hot water heating.

    The BiLight Series offer “un-vented” hot water cylinders that conform to the highest European high efficiency requirements. Manufactured in Europe, the product range offers models with storage capacity ranging from 30 to 150 litres. (30 litre / 50 litre / 80 litre / 100 litre / 120 litre / 150 litre).

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation.

    Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a 13amp fused spur and the cylinder will provide hot water.

    The unique design offers an adjustable temperature control to allow the user to select the desired water temperature and high efficiency water heating that are up to 16% more efficient than rival hot water cylinders.

    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • ELECTRIC On/Off Switch
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • LIGHT COLOUR Indicator to provide a visual indication that the water is at the designed temperature
    • FREEZE PROTECTION
    • GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm
    • TESY Bi-Light 50 Litre Data Sheet  

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £40.00 TO ALL BT, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

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    The BiLight Horizontal electric water heaters offer the very latest innovation in highly efficient electric hot water heating.

    The BiLight Series offer “un-vented” hot water cylinders that conform to the highest European high efficiency requirements. Manufactured in Europe, the product range offers models with storage capacity ranging from 30 to 150 litres. (30 litre / 50 litre / 80 litre / 100 litre / 120 litre / 150 litre).

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation.

    Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a 13amp fused spur and the cylinder will provide hot water.

    The unique design offers an adjustable temperature control to allow the user to select the desired water temperature and high efficiency water heating that are up to 16% more efficient than rival hot water cylinders.

    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • ELECTRIC On/Off Switch
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • LIGHT COLOUR Indicator to provide a visual indication that the water is at the designed temperature
    • FREEZE PROTECTION
    • GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm
    • TESY Bi-Light 80 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £40.00 TO ALL BT, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

    Add to basket Details Quick View
  • Sale!

    The BiLight Vertical electric water heaters offer the very latest innovation in highly efficient electric hot water heating.

    The BiLight Series offer “un-vented” hot water cylinders that conform to the highest European high efficiency requirements. Manufactured in Europe, the product range offers models with storage capacity ranging from 30 to 150 litres. (30 litre / 50 litre / 80 litre / 100 litre / 120 litre / 150 litre).

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation.

    Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a 13amp fused spur and the cylinder will provide hot water.

    The unique design offers an adjustable temperature control to allow the user to select the desired water temperature and high efficiency water heating that are up to 16% more efficient than rival hot water cylinders.

    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • ELECTRIC On/Off Switch
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • LIGHT COLOUR Indicator to provide a visual indication that the water is at the designed temperature
    • FREEZE PROTECTION
    • GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm
    • TESY Bi-Light 80 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £40.00 TO ALL BT, Highlands, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

    Add to basket Details Quick View
  • Sale!

    The BiLight Horizontal electric water heaters offer the very latest innovation in highly efficient electric hot water heating.

    The BiLight Series offer “un-vented” hot water cylinders that conform to the highest European high efficiency requirements. Manufactured in Europe, the product range offers models with storage capacity ranging from 30 to 150 litres. (30 litre / 50 litre / 80 litre / 100 litre / 120 litre / 150 litre).

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation.

    Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a 13amp fused spur and the cylinder will provide hot water.

    The unique design offers an adjustable temperature control to allow the user to select the desired water temperature and high efficiency water heating that are up to 16% more efficient than rival hot water cylinders.

    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • ELECTRIC On/Off Switch
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • LIGHT COLOUR Indicator to provide a visual indication that the water is at the designed temperature
    • FREEZE PROTECTION
    • GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm
    • TESY Bi-Light 100 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £40.00 TO ALL BT, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

    Add to basket Details Quick View
  • Sale!

    The BiLight Horizontal electric water heaters offer the very latest innovation in highly efficient electric hot water heating.

    The BiLight Series offer “un-vented” hot water cylinders that conform to the highest European high efficiency requirements. Manufactured in Europe, the product range offers models with storage capacity ranging from 30 to 150 litres. (30 litre / 50 litre / 80 litre / 100 litre / 120 litre / 150 litre).

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation.

    Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a 13amp fused spur and the cylinder will provide hot water.

    The unique design offers an adjustable temperature control to allow the user to select the desired water temperature and high efficiency water heating that are up to 16% more efficient than rival hot water cylinders.

    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • ELECTRIC On/Off Switch
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • LIGHT COLOUR Indicator to provide a visual indication that the water is at the designed temperature
    • FREEZE PROTECTION
    • GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm
    • TESY Bi-Light 120 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £40.00 TO ALL BT, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

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    The BiLight Vertical electric water heaters offer the very latest innovation in low cost highly efficient electric hot water heating.

    The BiLight Series offer “un-vented” hot water cylinders that conform to the highest European high efficiency requirements. Manufactured in Europe, the product range offers models with storage capacity ranging from 30 to 150 litres. (30 litre / 50 litre / 80 litre / 100 litre / 120 litre / 150 litre).

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation.

    Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a 13amp fused spur and the cylinder will provide hot water.

    The unique design offers an adjustable temperature control to allow the user to select the desired water temperature and high efficiency water heating that are up to 16% more efficient than rival hot water cylinders.

    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • ELECTRIC On/Off Switch
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • LIGHT COLOUR Indicator to provide a visual indication that the water is at the designed temperature
    • FREEZE PROTECTION
    • GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm
    • TESY Bi-Light 120 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £40.00 TO ALL BT, Highlands, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

    Add to basket Details Quick View
  • Sale!

    The BiLight Vertical electric water heaters offer the very latest innovation in highly efficient electric hot water heating.

    The BiLight Series offer “un-vented” hot water cylinders that conform to the highest European high efficiency requirements. Manufactured in Europe, the product range offers models with storage capacity ranging from 30 to 150 litres. (30 litre / 50 litre / 80 litre / 100 litre / 120 litre / 150 litre).

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation.

    Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a 13amp fused spur and the cylinder will provide hot water.

    The unique design offers an adjustable temperature control to allow the user to select the desired water temperature and high efficiency water heating that are up to 16% more efficient than rival hot water cylinders.

    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • ELECTRIC On/Off Switch
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • LIGHT COLOUR Indicator to provide a visual indication that the water is at the designed temperature
    • FREEZE PROTECTION
    • GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm
    • TESY Bi-Light 100 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £40.00 TO ALL BT, Highlands, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

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    Tesy Bilight 150 ltr HORIZONTAL

    £329.99 inc VAT
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    ModEco Cloud with Wi-Fi Control

    Next-generation electric water heaters, combining modern design and eco-friendly smart technology. The ModЕco Cloud electric water cylinder offers remote control via Internet and via a mobile smart phone (no internet required) through the TESY Cloud app. It can also be controlled by the convenient touch-control panel and bright LCD display.
    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation. Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a 13amp fused spur and the cylinder will provide hot water. The ModEco incorporates specially developed software that reduces the electricity costs without limitation to the hot water supply or the user’s comfort. The appliance incorporates a a patented PISTON effect water inlet nozzle, ensuring up to 15% more hot water. To ensure low operational costs, long life and reliability, the cylinder is coated in a high efficiency insulation material (Insutech), the cylinder has a glass ceramic coating on the inside of the tank to protect against corrosion and to ensure the highest level of potable water hygiene.
    • Remote control with or without Internet Control via Internet through TESY Cloud app Full device management with Indoor control
    • Optimised SMART mode keeps track of your habits and monthly statistics even when turned off
    • Extra protection for longer product life: An alert activates if there is no water in the tank
    • Ultimate hygiene for your safety and comfort: Automatic Anti legionella setting neutralises germs by heating the water up to 65 ºC once a week
    • Energy class B
    • ECO SMART mode
    • Warranty 7 years
    • Built-in dry ceramic heater for protection against limescale and for silent operation
    • Touch control panel and LCD display
    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • FREEZE PROTECTION – GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm
    • TESY ModEco 80 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations. If you have any technical questions we are on hand to help 0161 439 1400 Manufactured In Europe PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £45.00 TO ALL BT, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.
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    The Bi-Light Vertical electric water heaters offer the very latest innovation in highly efficient electric hot water heating.

    The Bi-Light Series offer “un-vented” hot water cylinders that conform to the highest European high efficiency requirements. Manufactured in Europe, the product range offers models with storage capacity ranging from 30 to 150 litres. (30 litre / 50 litre / 80 litre / 100 litre / 120 litre / 150 litre).

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation.

    Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a fused spur and the cylinder will provide hot water.

    The unique design offers an adjustable temperature control to allow the user to select the desired water temperature and high efficiency water heating that are up to 16% more efficient than rival hot water cylinders.

    • TEMPERATURE PRESSURE RELEASE VALVE FITTED - in accordance with G3 regulations
    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • ELECTRIC On/Off Switch
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • LIGHT COLOUR Indicator to provide a visual indication that the water is at the designed temperature
    • FREEZE PROTECTION
    • GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm
    • SAFETY - Auto Temperature Safety Cut Off
    • TESY Bi-Light 150 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £40.00 TO ALL BT, Highlands, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

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    The TESY Bellislimo “un-vented” electric water heater offer the very latest innovation in intelligent and efficient electric hot water heating. The BelliSlimo is B rated for efficiency and thinks for you and calculates the time required to heat your water in order to deliver on time. BelliSlimo sets new industry standards with its modern Italian design and latest technologies. With a slim silhouette of 28 cm in depth, two tanks and two separated stainless steel heating elements, it offers a first shower in less than 40 minutes.

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation.

    Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, connect to a 16amp fused spur and the Bellislimo will provide efficient hot water.

    The unique design offers an adjustable temperature control to allow the user to select the desired water temperature with high efficiency water heating.

    • COPPER HEATING ELEMENT
    • WORK ON DEMAND MODE: BelliSlimo thinks for you and calculates by itself the time required for your water to heat up just on time
    • ENERGY EFFICIENT: In the highest possible in its range – Energy class B
    • ECO SMART MODE: Self-training and self-management
    • DOUBLE TANK: Two water tanks with separate heating elements
    • QUICK FIRST SHOWER
    • VACATION MODE
    • BOOST FUNCTION
    • REVERSE COUNTER: Counts down until the electric water heaters reaches the desired temperature
    • TESY Bellislimo 80 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    Due to the size and weight of this item, delivery to the following postcodes & areas are subject to an increased delivery charge as follows:

    Customers living in the following postcode areas will be required to pay a further £25 delivery charge: AB 1-9, CA, DG, EH, EX, FK, G, KY, LA, LD, LL35+ ML, PL, SA,SY,TA, TD, TQ, TR & All London Codes 

    All other AB excluding 1-9, IV, KA, DD, PH KW, PA, PH (EXCLUDING ANY ISLES – Please see below) Customers living in the following postcode areas will be required to pay a further £39 delivery charge:

    Ireland 

    Customers living in Ireland (inc Northern Ireland) will be required to pay a further £49 delivery charge.

    Customers living in any of the ‘isles’, or Isle of Man, HS postcode or ZE postcode, please contact us prior to purchase to obtain a delivery quotation.

     

    We will contact you prior to delivery to take payment, alternatively, you can contact us prior to purchasing. 

    PLEASE NOTE:

    The delivery is a ‘curb side’ delivery and the driver is not able to bring the goods into your  property for insurance reasons. Drivers will try their best to assist you as much as possible and most will help you move the stove to a safe place i.e on the door step or in the garage. The driver should arrive with a tail lift and pallet truck to move heavy stove items.

    Steps and gravel drive ways can cause issues for the courier because of the item weight and equipment used. If inaccessible with their equipment, they may refuse to drop the goods or drop the goods at the curb side.

    We will email you using your registered email address with delivery dates and instructions for receiving and signing for your delivery. These are very accurate but in a small number of cases there can be delays due to unforeseen circumstances with couriers. Any delays that we are informed of, will be communicated to you. We are not responsible for any loss of earnings if an item does not arrive on the date we advised.

    Details Quick View
  • Out of stock
    Sale!

    ModEco Cloud with Wi-Fi Control

    Next-generation electric water heaters, combining modern design and eco-friendly smart technology. The ModЕco Cloud electric water cylinder offers remote control via Internet and via a mobile smart phone (no internet required) through the TESY Cloud app. It can also be controlled by the convenient touch-control panel and bright LCD display.

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation. Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a 13amp fused spur and the cylinder will provide hot water.

    The ModEco incorporates specially developed software that reduces the electricity costs without limitation to the hot water supply or the user’s comfort. The appliance incorporates a a patented PISTON effect water inlet nozzle, ensuring up to 15% more hot water. To ensure low operational costs, long life and reliability, the cylinder is coated in a high efficiency insulation material (Insutech), the cylinder has a glass ceramic coating on the inside of the tank to protect against corrosion and to ensure the highest level of potable water hygiene.

    • Remote control with or without Internet
      Control via Internet through TESY Cloud app
      Full device management with Indoor control
    • Optimised SMART mode keeps track of your habits and monthly statistics even when turned off
    • Extra protection for longer product life: An alert activates if there is no water in the tank
    • Ultimate hygiene for your safety and comfort: Automatic Anti legionella setting neutralises germs by heating the water up to 65 ºC once a week
    • Energy class B
    • ECO SMART mode
    • Warranty 7 years
    • Built-in dry ceramic heater for protection against limescale and for silent operation
    • Touch control panel and LCD display
    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • FREEZE PROTECTION – GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm
    • TESY ModEco 100 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £45.00 TO ALL BT, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

    Details Quick View
  • Out of stock
    Sale!

    TESY Bilight 100 with HEAT EXCHANGER

    £349.99 inc VAT
    Details Quick View
  • Out of stock
    Sale!

    ModEco Cloud with Wi-Fi Control

    Next-generation electric water heaters, combining modern design and eco-friendly smart technology. The ModЕco Cloud electric water cylinder offers remote control via Internet and via a mobile smart phone (no internet required) through the TESY Cloud app. It can also be controlled by the convenient touch-control panel and bright LCD display.

    Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation. Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, and are located on the underside of the cylinder), connect to a 13amp fused spur and the cylinder will provide hot water.

    The ModEco incorporates specially developed software that reduces the electricity costs without limitation to the hot water supply or the user’s comfort. The appliance incorporates a a patented PISTON effect water inlet nozzle, ensuring up to 15% more hot water. To ensure low operational costs, long life and reliability, the cylinder is coated in a high efficiency insulation material (Insutech), the cylinder has a glass ceramic coating on the inside of the tank to protect against corrosion and to ensure the highest level of potable water hygiene.

    • Remote control with or without Internet
      Control via Internet through TESY Cloud app
      Full device management with Indoor control
    • Optimised SMART mode keeps track of your habits and monthly statistics even when turned off
    • Extra protection for longer product life: An alert activates if there is no water in the tank
    • Ultimate hygiene for your safety and comfort: Automatic Anti legionella setting neutralises germs by heating the water up to 65 ºC once a week
    • Energy class B
    • ECO SMART mode
    • Warranty 7 years
    • Built-in dry ceramic heater for protection against limescale and for silent operation
    • Touch control panel and LCD display
    • PISTON EFFECT for control of the speed of incoming water and increase of the hot water amount with up to 15%
    • INSUTECH – an in-house TESY technology for highly efficient insulation and extremely low heat losses
    • PLASMA-ARC welding of the water tank for extended useful life
    • WALL MOUNTED (brackets included, does NOT include screws)
    • ADJUSTABLE TEMPERATURE CONTROL to allow the user to set the desired water temperature
    • FREEZE PROTECTION – GLASS CERAMIC coating for corrosion protection
    • Diameter of each Model is 440mm
    • TESY ModEco 120 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations.

    If you have any technical questions we are on hand to help 0161 439 1400

    Manufactured In Europe

    PLEASE NOTE THERE IS AN EXTRA DELIVERY CHARGE OF £45.00 TO ALL BT, Isle of Man, Isle of Wight, Ireland, Channel Islands, HS and ZE, and any post codes outside mainland UK. We will contact you after the order to take payment.

    Details Quick View
  • Out of stock
    Sale!
    The TESY Bellislimo “un-vented” electric water heater offer the very latest innovation in intelligent and efficient electric hot water heating. The BelliSlimo is B rated for efficiency and thinks for you and calculates the time required to heat your water in order to deliver on time. BelliSlimo sets new industry standards with its modern Italian design and latest technologies. With a slim silhouette of 28 cm in depth, two tanks and two separated stainless steel heating elements, it offers a first shower in less than 40 minutes. Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation. Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, connect to a 16amp fused spur and the Bellislimo will provide efficient hot water. The unique design offers an adjustable temperature control to allow the user to select the desired water temperature with high efficiency water heating.
    • COPPER HEATING ELEMENT
    • WORK ON DEMAND MODE: BelliSlimo thinks for you and calculates by itself the time required for your water to heat up just on time
    • ENERGY EFFICIENT: In the highest possible in its range – Energy class B
    • ECO SMART MODE: Self-training and self-management
    • DOUBLE TANK: Two water tanks with separate heating elements
    • QUICK FIRST SHOWER
    • VACATION MODE
    • BOOST FUNCTION
    • REVERSE COUNTER: Counts down until the electric water heaters reaches the desired temperature
    • TESY Bellislimo 100 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations. If you have any technical questions we are on hand to help 0161 439 1400 Manufactured In Europe Due to the size and weight of this item, delivery to the following postcodes & areas are subject to an increased delivery charge as follows: Customers living in the following postcode areas will be required to pay a further £25 delivery charge: AB 1-9, CA, DG, EH, EX, FK, G, KY, LA, LD, LL35+ ML, PL, SA,SY,TA, TD, TQ, TR & All London Codes  All other AB excluding 1-9, IV, KA, DD, PH KW, PA, PH (EXCLUDING ANY ISLES – Please see below) Customers living in the following postcode areas will be required to pay a further £39 delivery charge: Ireland  Customers living in Ireland (inc Northern Ireland) will be required to pay a further £49 delivery charge. Customers living in any of the ‘isles’, or Isle of Man, HS postcode or ZE postcode, please contact us prior to purchase to obtain a delivery quotation.   We will contact you prior to delivery to take payment, alternatively, you can contact us prior to purchasing.  PLEASE NOTE: The delivery is a ‘curb side’ delivery and the driver is not able to bring the goods into your  property for insurance reasons. Drivers will try their best to assist you as much as possible and most will help you move the stove to a safe place i.e on the door step or in the garage. The driver should arrive with a tail lift and pallet truck to move heavy stove items. Steps and gravel drive ways can cause issues for the courier because of the item weight and equipment used. If inaccessible with their equipment, they may refuse to drop the goods or drop the goods at the curb side. We will email you using your email address with delivery dates and instructions for receiving and signing for your delivery. These are very accurate but in a small number of cases there can be delays due to unforeseen circumstances with couriers. Any delays that we are informed of, will be communicated to you. We are not responsible for any loss of earnings if an item does not arrive on the date we advised.
    Details Quick View
  • Out of stock
    Sale!
    The TESY Bellislimo “un-vented” electric water heater with Wi-Fi offers the very latest innovation in intelligent and efficient electric hot water heating. The BelliSlimo is B rated for efficiency and thinks for you and calculates the time required to heat your water in order to deliver on time. It can be controlled and set by either the control panel or via the TESY App from your smart phone (Internet access required). BelliSlimo sets new industry standards with its modern Italian design and latest technologies. With a slim silhouette of 28 cm in depth, two tanks and two separated stainless steel heating elements, it offers a first shower in less than 40 minutes. Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation. Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, connect to a 16amp fused spur and the Bellislimo will provide efficient hot water. The unique design offers an adjustable temperature control to allow the user to select the desired water temperature with high efficiency water heating.
    • COPPER HEATING ELEMENT
    • WORK ON DEMAND MODE: BelliSlimo thinks for you and calculates by itself the time required for your water to heat up just on time
    • ENERGY EFFICIENT: In the highest possible in its range – Energy class B
    • ECO SMART MODE: Self-training and self-management
    • DOUBLE TANK: Two water tanks with separate heating elements
    • QUICK FIRST SHOWER
    • VACATION MODE
    • BOOST FUNCTION
    • REVERSE COUNTER: Counts down until the electric water heaters reaches the desired temperature
    • TESY Bellislimo 80 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations. If you have any technical questions we are on hand to help 0161 439 1400 Manufactured In Europe Due to the size and weight of this item, delivery to the following postcodes & areas are subject to an increased delivery charge as follows: Customers living in the following postcode areas will be required to pay a further £25 delivery charge: AB 1-9, CA, DG, EH, EX, FK, G, KY, LA, LD, LL35+ ML, PL, SA,SY,TA, TD, TQ, TR & All London Codes  All other AB excluding 1-9, IV, KA, DD, PH KW, PA, PH (EXCLUDING ANY ISLES – Please see below) Customers living in the following postcode areas will be required to pay a further £39 delivery charge: Ireland  Customers living in Ireland (inc Northern Ireland) will be required to pay a further £49 delivery charge. Customers living in any of the ‘isles’, or Isle of Man, HS postcode or ZE postcode, please contact us prior to purchase to obtain a delivery quotation. We will contact you prior to delivery to take payment, alternatively, you can contact us prior to purchasing.  PLEASE NOTE: The delivery is a ‘curb side’ delivery and the driver is not able to bring the goods into your  property for insurance reasons. Drivers will try their best to assist you as much as possible and most will help you move the stove to a safe place i.e on the door step or in the garage. The driver should arrive with a tail lift and pallet truck to move heavy stove items. Steps and gravel drive ways can cause issues for the courier because of the item weight and equipment used. If inaccessible with their equipment, they may refuse to drop the goods or drop the goods at the curb side. We will email you using your registered email address with delivery dates and instructions for receiving and signing for your delivery. These are very accurate but in a small number of cases there can be delays due to unforeseen circumstances with couriers. Any delays that we are informed of, will be communicated to you. We are not responsible for any loss of earnings if an item does not arrive on the date we advised.
    Details Quick View
  • Out of stock
    Sale!
    The TESY Bellislimo “un-vented” electric water heater with Wi-Fi offers the very latest innovation in intelligent and efficient electric hot water heating. The BelliSlimo is B rated for efficiency and thinks for you and calculates the time required to heat your water in order to deliver on time. It can be controlled and set by either the control panel or via the TESY App from your smart phone (Internet access required). BelliSlimo sets new industry standards with its modern Italian design and latest technologies. With a slim silhouette of 28 cm in depth, two tanks and two separated stainless steel heating elements, it offers a first shower in less than 40 minutes. Designed to be connected directly to the mains cold water supply, the TESY unvented hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation. Simply connect the cylinder to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection cylinder (both connections are 15mm, connect to a 16amp fused spur and the Bellislimo will provide efficient hot water. The unique design offers an adjustable temperature control to allow the user to select the desired water temperature with high efficiency water heating.
    • COPPER HEATING ELEMENT
    • WORK ON DEMAND MODE: BelliSlimo thinks for you and calculates by itself the time required for your water to heat up just on time
    • ENERGY EFFICIENT: In the highest possible in its range – Energy class B
    • ECO SMART MODE: Self-training and self-management
    • DOUBLE TANK: Two water tanks with separate heating elements
    • QUICK FIRST SHOWER
    • VACATION MODE
    • BOOST FUNCTION
    • REVERSE COUNTER: Counts down until the electric water heaters reaches the desired temperature
    • TESY Bellislimo 80 Litre Data Sheet

    NB. Building Control regulations apply when safely installing an un-vented hot water cylinder. The Cylinders are unvented and require a small safety expansion vessel (5-8 litre) and a pressure release valve installing on the pipework in accordance with UK regulations. If you have any technical questions we are on hand to help 0161 439 1400 Manufactured In Europe Due to the size and weight of this item, delivery to the following postcodes & areas are subject to an increased delivery charge as follows: Customers living in the following postcode areas will be required to pay a further £25 delivery charge: AB 1-9, CA, DG, EH, EX, FK, G, KY, LA, LD, LL35+ ML, PL, SA,SY,TA, TD, TQ, TR & All London Codes  All other AB excluding 1-9, IV, KA, DD, PH KW, PA, PH (EXCLUDING ANY ISLES – Please see below) Customers living in the following postcode areas will be required to pay a further £39 delivery charge: Ireland  Customers living in Ireland (inc Northern Ireland) will be required to pay a further £49 delivery charge. Customers living in any of the ‘isles’, or Isle of Man, HS postcode or ZE postcode, please contact us prior to purchase to obtain a delivery quotation.   We will contact you prior to delivery to take payment, alternatively, you can contact us prior to purchasing.  PLEASE NOTE: The delivery is a ‘curb side’ delivery and the driver is not able to bring the goods into your  property for insurance reasons. Drivers will try their best to assist you as much as possible and most will help you move the stove to a safe place i.e on the door step or in the garage. The driver should arrive with a tail lift and pallet truck to move heavy stove items. Steps and gravel drive ways can cause issues for the courier because of the item weight and equipment used. If inaccessible with their equipment, they may refuse to drop the goods or drop the goods at the curb side. We will email you using your registered email address with delivery dates and instructions for receiving and signing for your delivery. These are very accurate but in a small number of cases there can be delays due to unforeseen circumstances with couriers. Any delays that we are informed of, will be communicated to you. We are not responsible for any loss of earnings if an item does not arrive on the date we advised.
    Details Quick View

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