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The Whale Rapid Heat 8L Gas and Electric Water Heater (WH0802) is a high-performance onboard storage water heater designed for caravans, motorhomes, camper vans and boats. With dual fuel capability — gas and electric — this unit delivers fast heat-up times and reliable hot water whenever you need it. Its compact, lightweight design and easy-to-use control panel make it a versatile choice for touring and leisure applications.
Dual Fuel Flexibility: Choose gas or electric heating depending on availability.
Fast Heat-Up Performance: Heats water quickly for wash-up and showering.
Lightweight & Compact: Saves space and is easier to install than many competitors.
Efficient Insulation: Retains heat longer and reduces cycling.
Robust & Reliable: Built-in pressure relief and drain features speed water system draining.
Gas & Electric Operation – Run on butane/propane gas or 12 V / 230 V electric supply.
8 L Storage Capacity – Suitable for daily hot water needs in caravans / motorhomes.
Easy Control Panel – Simple mode and temperature settings.
Pressure Relief Drain Function – Drains entire water system faster.
Robust Insulation – Helps retain heat and improve efficiency.
| Specification | Details |
|---|---|
| Capacity | 8 litres |
| Pressure Relief Valve Setting | 2.6 bar |
| Maximum Water Inlet Pressure | 1.9 bar |
| Gas Type | Butane & Propane |
| Heat Input (Net) | 1.24–1.25 kW |
| Gas Consumption | ~93 g/hr |
| Electric Supply | 12 V DC & 230 V AC |
| Electric Settings | 750 W (Eco) – 1500 W (High) |
| Current Draw (12 V) | ~0.36 A (~0.01 A standby) |
| Current Draw (230 V) | ~3.25 A / ~6.5 A |
| Weight (Dry) | 8 kg |
| Dimensions (approx.) | ~258 × 329 × 391 mm (H×W×L) |
✔ Hot Water On Demand — Fast heat-up so you’re never waiting.
✔ Flexible Fuel Options — Ideal for both campsite and off-grid use.
✔ Lightweigh
✔ Efficient Insulated Tank — Keeps water hot longer.
✔ Safety-Focused — Built-in pressure relief and drain features.
Installation must be carried out by a qualified gas engineer in line with the manufacturer’s instructions and local regulations especially when connecting gas and electrical supplies.
Caravan and motorhome owners upgrading to a storage water system
Camper van conversions needing a dual fuel hot water solution
Users who want quick hot water with safe and reliable performance
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