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.