Hydronic Heater 30SP-24



AUTOTERM 30SP-24 is a highly powerful coolant heater also known as a water heater that operates independently from the engine.

This heater generates 30 kW heat output and is designed for pre-start heating of large engines, hydraulic systems, radiators, and various heat-exchanging systems.

AUTOTERM 30SP-24 operates on diesel fuel and 24V DC.

In extremely cold climates, the pre-heater AUTOTERM 30SP-24 also works as an auxiliary heater keeping the engine coolant to the required operating temperature.

Recommended application: large trucks, buses, heavy equipment, liquid/hydraulic systems, marine vessels with coolant systems more than 20 L / 5.3 gal.

  • Heater is controlled with ON/OFF switch.
  • Automatic coolant temperature control:
    – CUT-OFF coolant temperature is 88°C / 190°F – STAND-BY mode with a coolant circulation pump in operation
    – CUT-IN coolant temperature is 72°C / 161°F
  • Inbuilt self-diagnostic system with the malfunction code indication.
  • Comprehensive automatic over-heat protection system.

For more information on the product, please contact us or visit our location.


Technical details:

Voltage 24 V
Heating medium Coolant, antifreeze
Heating power 30 kW / 102, 360 btu/h
Minimal liquid/coolant volume 20 L / 5.28 gal
Coolant liquid flow rate at 0.2 bar pressure in the system 5000 I/h / 22 gpm
Power Consumption: without pump / with pump    80 W – 188 W / 3.33 A – 7.83 A
Fuel Diesel
Fuel consumption 3.9 L/h / 1.03G/h
Control mode Manual (on/off)
Heater weight 19.6 kg / 43.2 lb
Weight of the kit 22.1 kg / 48.7 lb
Heater dimensions 606x245x245 mm / 23.9×9.7×23.9 in
Package dimensions 680x350x330 mm / 26.8×13.8×13 in

Additional information

Weight 11.6 kg
Dimensions 32.4 × 11.8 × 11.9 cm


Manual and Certificates

Operation Manual

Download 30SP-24 Operational Manual

Operation Manual for Control Panel PU-27

Operation Manual for Control Panel PU-28

Mode d’emploi (Français)

Manuel d’utilisation Panneau de commande PU-27


The information on manual and certificates will be available soon, please check back later.

Technical Information

Catalogue of Parts and Assemblies

The information on parts and assemblies will be available soon, please check back later.


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