Whale Heat Air Underfloor Space Heater 4kw Gas Only - SETSL5511A

Whale 4kW Gas Underfloor Heater for Campervan and Motorhome

The Whale Heat Air 4kW Gas Underfloor Space Heater (SETSL5511A) is a powerful, space-saving LPG campervan heater designed for larger motorhomes, caravans and van conversions requiring higher heat output.

Mounted externally beneath the vehicle floor, this 4kW gas underfloor heater frees up valuable interior space while delivering consistent, quiet warm air distribution throughout your living area — ideal for off-grid touring and winter camping.

✅ Why Choose the Whale 4kW Underfloor Heater?

• High 4kW heat output – Perfect for larger campervans & motorhomes

• Gas-only LPG operation – Reliable off-grid heating

• Underfloor installation – Maximises internal storage space

• Quiet, efficient airflow – Even heat distribution

• Compact & lightweight design – Ideal for professional van conversions

• Trusted Whale heating technology – Designed for leisure vehicles

🚐 Designed For

• Campervans

• Motorhomes

• Caravans

• Van conversions

• Off-grid touring vehicles

If you need a powerful campervan gas heater without sacrificing cupboard or bed space, this underfloor solution is ideal.

The standard kit contents for this 4kW underfloor gas heater are:

• 1 × Gas heater unit

• 1 × Control panel

• 1 × LIN cable and connector

• 1 × Combustion air intake flue

• 1 × Combustion air intake silencer

• 1 × Combustion air intake clamp

• 1 × Combustion air intake bracket (60 mm)

• 1 × Exhaust gas flue

• 1 × Exhaust gas flue clamp

• 3 × Exhaust gas flue brackets (40 mm, 60 mm, 80 mm)

• 1 × Exhaust gas flue end terminal bracket (100 mm)

• 1 × Heater “Z” mounting bracket

• 1 × Heater isolation mounts

• 1 × Heater bracket screw kit

• 1 × Literature pack (installation & operating instructions, warranty cards, service leaflet, questionnaire)