Whale Heat Air Underfloor Space Heater - Gas Only

Product Code: 3GT-4G-5GT

Available Options

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Whale Heat air 3GT, 4G & 5GT

 The lightweight, powerful, space creating gas heating solution for the RV market.


• Suitable for caravans, motorhomes and camper vans

• Compact, space saving heating solution with narrow rotatable design

• Installed underfloor, maximising valuable living and storage space

• Enjoy the great outdoors all year round with total comfort day and night

• Versatile - choose to run on gas and electric for maximum output, or electric on site or gas when wild camping

• Easy to use, intuitive control panel


More for the user…

·         Fast heat up and fully automatic output modulation for enhanced user comfort

·         Quiet night-time operation for when you need it most.

·         Cosy van all year round

·         Even and well-maintained heat distribution

·         Easy to use, no fuss controls.


Less Weight - Compact and lightweight design

More Space - Increased bunk space, full length wardrobes and longer beds

Design Freedom - Customisable installation creating a blank canvas for vehicle designers.


Technical Specifications (Whale 3GT, 4G & 5GT)


Type                                                      Butane/Propane 30mbar

Heat Input [kW]                                3GT: 1.4, 3.3       4G: 1.5, 3.2, 4.7                 5GT: 1.8, 4.7, 6.0

Consumption [g/h]                          3GT: 109, 239     4G: 109, 233, 342             5GT: 131, 342, 436

Electric 12V

DC Voltage [V]                                   10.1 to 15.9

Current Draw Range [A]                0.6 - 6.5

Current Draw Average [A]            3GT: 1.8                4G: 1.4                  5GT: 1.1

Standby* [A]                                      0.008

Rated Fuse Size [A]                          10 (5 3GT)

Temperature Storage [°C]             -40 to +70

Operation [°C]                                  -20 to +50

Control [°C]                                         +5 to +32

Physical Dimensions

L x W x H [mm]                                  559 x 165 x 175

Weight [kg]                                         5.9 (5.5 4G)

Ingress Protection                            IP 45


*Standby Current Draw for Heater only **Output of heater may be limited at higher altitude depending on ambient and operating conditions.


Product contents:

1 x Gas heater

1 x Control panel

1 x LIN cable and connector

1 x Combustion air intake flue

1 x Combustion air intake silencer

1 x Combustion air intake clamp

1 x Combustion air intake bracket 60mm (4G & 5GT only)

1 x Exhaust gas flue

1 x Exhaust gas flue clamp

2 x Exhaust gas flue brackets 60mm, 80mm (additional 40mm with 4G & 5GT)

1 x Exhaust gas flue end terminal bracket 100mm

2 x Ducting reducer 90-65 (3GT only)

1 x Heater Z - mounting bracket (4G & 5GT only)

1 x Heater isolation mounts (4G & 5GT only)

1 x Heater bracket screw kit (4G & 5GT only)

1 x Literature pack (install/operating instructions, warranty cards, service leaflet, questionnaire)


Optional Brackets:


Fiat Ducato/Peugeot Boxer/Citreon Relay – Rear Axle Handbrake

VW T5/T6 – Behind Drivers Seat

Ford Transit Custom – Behind Drivers Seat


Other fitting brackets available please contact us for more info:

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