Diesel Air Heater Autoterm 4D-HA


Diesel Air Heater Autoterm 4D-HA comes with an analog or digital programmable controller, basic installation kit and Operational Manual. The heater is equipped with a self-adjusting system for operation at high altitudes up to 2500 m / 8200 ft.
There are two modifications: 12 V and 24 V.
Refer to Operation Manual for installation and operation procedures.
*For heating up to 35 ft. power boats / 40 ft. sailboats, commercial trucks, buses, vans and motorhomes.


Download AUTOTERM 4D brochure


Kit contents:

Product Contains
Autoterm 4D-12 / -24 – Diesel Air Heater 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

12V, 24V


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

Download Spare Parts and BOM Autoterm/Planar 44D-EN v10.2022

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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