Whale Expanse Underfloor 8 litre Gas and Electric Water Heater (including with Flue Kit)The Whale Expanse Underfloor Water Heater Gas & Electric With Flue Kit 8L features a high efficiency pre-mixed burner and direct heat exchanger located inside the water tank designed to maximize heat transfer to heat water faster than any other Whale model.This water heater can be run on electric only, gas only or using both combined.Please note we advise that all Whale Water Heaters be installed and serviced by a fully qualified gas engineer in accordance with the appropriate installation instructions.Additional Information :When installed with Whales iVan Wireless Touch Screen Control Panel (this is an optional extra and not supplied as standard) the user can run the water heater and space heater independently or together as required and can programme up to 3 timers so that hot water is available any time day or nightSupplied with :1 x 8-Litre Water Heater1 x Control panel1 x 350cm cable1 x 125cm flue3 x Flue brackets1 x End flue bracketSpecs :Capacity: 8 LitrePressure Relief Valve Setting: 3.0 BarMaximum Water Inlet Pressure: 1.9 BarGas Type: Butane/Propane 30mbar CAT I3B/P (30)Heat Input (Gross): 285kWGas Connection: 8mm compression fittingCurrent Consumption (12V. d.c): 0.48 Amps//(0.03 Amps on Standby)Electricity Supply: 12V d.c. + 230V a.c. 50HzElectric Lowest Eco Setting: 750WElectric Highest Setting: 1500WMaximum Current Consumption (12V. d.c.): 0.48 Amps//(0.03 Amps on Standby)Maximum Current Consumption (230V): 6.5 AmpsKey Features :Easy to access Integrated Pressure Relief Drain ValveWinter protection User-activated frost protection modeExternal gas connections No cut outs requiredUnderside flue connector8 litre capacity water tankEasy mounting option Integrated secure mounting bossesRobust designLightweight Only 5.4kgSuperior insulation Custom expanded polystyrene means water stays hotter for longer