Whale Expanse Underfloor Water Heater Gas and Electric with Flue Kit image 1

Whale Expanse Underfloor Water Heater Gas and Electric with Flue Kit

£735.07(inc VAT) £881.99
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Underfloor Gas and Electric Water Heater (Install with Whale iVan® Control Panel).

Kit includes:
• 8-Litre Water Heater
• Control Panel
• 1 x 3.5M Cable
• 1 x 1.25M Flue
• 3 x Flue Brackets
• 1 x End Flue Bracket

Whale Expanse Underfloor Water Heater Gas and Electric with Flue Kit Features

  • Easy to access - Integrated Pressure Relief Drain Valve
  • Winter protection - User-activated frost protection mode
  • External gas connections - No cut outs required
  • Underside flue connector
  • 8 litre capacity water tank
  • Easy mounting option - Integrated secure mounting bosses
  • Robust design
  • Lightweight - Only 5.4kg
  • Superior insulation - Custom expanded polystyrene means water stays hotter for longer


• Capacity: 8 Litre
• Pressure Relief Valve Setting: 3.0 Bar
• Maximum Water Inlet Pressure: 1.9 Bar
• Gas Type: Butane/Propane 30mbar CAT I3B/P (30)
• Heat Input (Gross): 285kW
• Gas Connection: 8mm compression fitting
• Current Consumption (12V. d.c): 0.48 Amps//(0.03 Amps on Standby)
• Electricity Supply: 12V d.c. + 230V a.c. 50Hz
• Electric Lowest Eco Setting: 750W
• Electric Highest Setting: 1500W
• Maximum Current Consumption (12V. d.c.): 0.48 Amps//(0.03 Amps on Standby)
• Maximum Current Consumption (230V): 6.5 Amps
• Maximum dimensions inside vehicle: Height: 180mm (underfloor), Width: 262mm, Length: 522mm.

PLEASE NOTE: All Whale Water Heaters must be installed and serviced by a fully qualified gas engineer in accordance with the appropriate installation instructions


All products and parts must be installed by engineers who hold a valid certificate of competence. The installation must comply with the manufacturers instructions and local regulations. We cannot be held responsible if these instructions are not followed.

Please note we are a camping, caravan and motorhome company and NO gas product that we sell is suitable for mains (domestic) gas supply.

If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 30 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.

For further information of how to return your item, please visit the "Returning an Unwanted/Faulty/Damaged Item" section on our Help Page.
  Did you know we have been established and have been in the caravan and motorhome industry for over 50 years?