Whale Expanse Underfloor Gas Water Heater Kit Efficient Heating Kit for Your

An underfloor gas water heater system offering fast heat up times and great heat retention, ideal for van conversions and panel vans.

This externally mounted heater ensures valuable onboard space is not taken up. The exhaust can be ducted through the floor of the vehicle, avoiding the need to cut any holes.

This water heater is supplied with a round control panel and LIN cable.


• Nominal Water Capacity: 8 litre

• Gas: Butane/Propane 30mbar - CAT I3B/P (30)

• Classification of Storage Water Heater: Type: C13

• Nominal Heat Input: Gas 1.35kW

• Standby Consumption: Gas 43W

• Nominal Voltage: 12V d.c. (10.1 Volt d.c. min. to 14.9 Volt d.c. max.)

• Maximum Current d.c: 0.48 Amps (0.03 Amps on standby)

• Maximum Water Supply Pressure: 190kPa (1.9 Bar)

• Rated Pressure: 300kPa (3.0 Bar)

• Pressure Relief Valve Setting: 300kPa (3.0 Bar)

• Maximum Caravan Floor Thickness: 47mm

• Ingress Protection Rating: IP45

• Dry Storage Temperature: -20°C to 70°C

• Maximum Water Temperature: Approx. 72°C

• Typical heating up times from 15°C to 70°C: Approx. 26 minutes.

PLEASE NOTE: If connecting to mains water supply, a suitable water pressure regulator must be connected to ensure that the maximum supply water pressure does not exceed 190kPa (1.9 Bar).

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