Petrol Air Heater Autoterm Air 4B


Out of stock


Operates on petrol (gasoline) and 12V DC independently from the engine.
Consumes 0.53 litre per hour of fuel running on maximum power.
Generates 13,600 BTU/h with a strong airflow.
Fully automated temperature control with various controllers.
The Air heater is equipped with a self-diagnostic system.
A Brushless electrical motor provides a low noise level.
Reliable operation at temperatures as low as -45°C/-49°F.
Compact design and “plug-and-play” installation.

Petrol Air Heater Autoterm Air 4B comes with an analog or digital programmable controller, basic installation kit, and Operational Manual.

Refer to the Manual and Certificates tab below for installation and operation procedures.

*For heating up to 35 ft. power boats / 40 ft. sailboats, commercial trucks, buses, vans, and motorhomes. *



Kit contents:

Product Contains
Petrol Air Heater Autoterm Air 4B 1
Inline Metering Fuel Pump 1
Fuel Line, m 5.5
Fuel Pick-UP Stand Pipe 1
Stainless Steel Flexible Exhaust, ft. 3
Exhaust Clamp 1
Combustion Air Intake Hose, ft. 2
Remote Wired Controller 1
Fuel Pump El. Cable, 6 m. 1
Power Cable with Fuses 1
Set of Fasteners & Brackets 1

Technical details:

12V 24V
Heat Output; kW (BTU): 1.0-4.0 (3,200-13,600) 1.0-4.0 (3,200-13,600)
Fuel Consumption; l/h (gal/h): 0.12-0.49 (0.03-0.13) 0.12-0.49 (0.03-0.13)
Nominal Supply Voltage; V: 12 24
Power Consumption; W (A): 10-62.4 (0.8-5.2) 10-57.6 (0.8-4.8)
Airflow Rate; m3/h: 70-120 70-120
Weight; kg: 8.0 8.0
 L x D x H; mm: 398 x 157 x 160 398 x 157 x 160
 Operating Modes:  Temperature/Power Temperature/Power


Additional information

Weight 11.5 kg
Dimensions 49 × 40.6 × 33.0 cm

PU-5, PU-27, PU-28

Manual and Certificates

Operation Manual (English)

Download Installation Manual Autoterm/Planar-EN-v06.2023

Download Repair Manual Autoterm/Planar-EN-v11.2022

Operation Manual for Control Panel PU-5

Operation Manual for Control Panel PU-27

Operation Manual for Control Panel PU-28

Mode d’emploi (Français)

Panneau de commande PU-5 Manuel d’utilisation

Manuel d’utilisation Panneau de commande PU-27


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