TESY BiLight 80 with Internal HEAT EXCHANGER High Efficiency Right

Why Choose the TESY BiLight 80 Hot Water Cylinder?

The BiLight 80 is engineered for flexibility, with an inbuilt high-efficiency heat exchanger coil that allows you to connect the cylinder to a central heating system, solar thermal panels, wood burning stove with back boiler, pellet or gas burners, and more. With a storage capacity of 80 litres, it provides up to 18 minutes of continuous hot water, consuming an average of just 1.5kW per 24-hour cycle.

The patented TURBOLATOR technology ensures rapid heating and improved heat transfer from alternative energy sources, while the PISTON EFFECT design increases the available hot water by up to 15%. INSUTECH insulation keeps heat loss to a minimum, reducing running costs and improving efficiency. The BiLight visual indicator makes it easy to recognise work modes at a glance.

IMPORTANT INSTALLATION NOTE:

This appliance is unvented and, under UK Building Control regulations, must be installed with at least two forms of safety. It comes with a built-in thermo temperature switch, but you must add at least one more safety device (such as an 8-litre expansion vessel and a 3.5 bar pressure relief valve). Installation should only be carried out by a qualified G3 installer to avoid invalidating the warranty.

Key Features

80 Litre Capacity: Provides 18 minutes of continuous hot water
High-Efficiency Heat Exchanger: Connects to central heating or alternative energy sources
TURBOLATOR Technology: Fast water heating with improved heat transfer
PISTON EFFECT: Increases hot water output by up to 15%
INSUTECH Insulation: Minimises heat loss for greater efficiency
BiLight Visual Indicator: Easy work mode recognition
Additional Sensor Pocket: For temperature control
Energy Class C: Efficient and cost-effective
Unvented Safety: Must be installed with additional safety devices

Specifications

Model: BiLight 80 S
Real Volume: 79 L
Height: 845mm
Width: 440mm
Depth: 467mm
Rated Power: 2000W
Mounting: Vertical
Heat Exchanger Surface: 0.45 m²
Heat Exchanger Capacity: 2.1 L
Standing Losses: 61 W
Continuous Flow Rate (35°C): 329 kW
Energy Class: C
Diameter: 440mm
Heating Time (15–60°C): 18 min

Ideal For

Homes using solar, wood, pellet, or gas heating
Households requiring efficient, continuous hot water
Installations seeking to integrate alternative energy sources

Additional Information

FREE Delivery: On UK mainland orders over £100. See delivery information.

For more, visit fluestock.co.uk.