Whale Expanse Underfloor Water Heater Gas and Electric with Flue Kit

Underfloor Gas and Electric Water Heater (Install with Whale iVan® Control Panel).

The Whale Expanse Underfloor Water Heater (SETWL8212A) is a premium dual-fuel solution for caravans, motorhomes, and camper vans. Designed for underfloor installation, it combines gas and electric heating with a complete balanced flue kit, giving you reliable hot water whether you’re hooked up or off-grid. Its compact dimensions maximise internal space while delivering efficient performance.

Why Choose This Water Heater?

• Dual Fuel Flexibility: Run on LPG gas off-grid or switch to electric power when connected to mains.

• Space-Saving Underfloor Fit: Keeps interior storage and living space free.

• Complete Kit Supplied: Balanced flue, cable and brackets included — no need for additional accessories.

• Easy Control: Supplied with a plug-in control panel for simple temperature adjustment.

• Reliable Performance: Trusted design from Whale, a leader in caravan water systems.

Key Features

• Gas & Electric Operation – Efficient hot water on gas (butane/propane) or electric 12 V / 230 V.

• Balanced Flue System – Neat exterior venting with included flue components.

• Compact Design – Ideal for underfloor installation in caravans and motorhomes.

• User-Friendly Control Panel – Temperature selection and mode control made simple.

• Frost & Safety Features – Protects system in cold conditions and includes necessary safety valves.

Specifications

What’s Included

✅ Whale Expanse 8 L Water Heater Unit
✅ Plug-in Control Panel
✅ 3.5 m Control Cable
✅ Balanced Flue Pipe (1.25 m)
✅ Flue Mounting Brackets (×3)
✅ End Flue Bracket

Benefits

• ✔ Hot Water Anywhere — Gas for wild camping, electric for powered pitches.

• ✔ Maximises Interior Space — Underfloor installation frees up cupboards and seating.

• ✔ All-In-One Kit — No need to source separate flue parts or controls.

• ✔ Simple Operation — Clear control panel with easy temperature selection.

• ✔ Durable & Reliable — Built to perform in varied weather and touring conditions.

Ideal For

• Caravan owners wanting a permanent onboard hot water system

• Motorhome and camper van conversions requiring efficient space use

• Travellers who switch between campsites and remote locations

Installation Notes

Installation must be performed by a qualified gas engineer following manufacturer guidance. The balanced flue must be fitted with correct clearances and venting for safe operation.