OWLHeizer OWL-4S 75-85°C 2000 Watt

OWLHeizer OWL-4S 75-85°C 2000 Watt

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regular price 119.99 €
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Electric engine preheater 2000Watt OWLHeizer OWL-4S


  • 220/230 Volt - 75-85 ° C Universal fit
  • Suitable for all engines and vehicles
  • Aluminum housing





For assembly details, please visit our support page



After the heating element has been heated to about 75-85 ° C., it switches off until the temperature has cooled down to about 60 ° C.

The integrated pump operates continuously to ensure even heat distribution.

This warm-up cycle is repeated continuously.


Practical experience:

Vehicle: Suzuki Jimny year 2013 with 1.3L petrol engine, 86PS 4,5L cooling liquid.

Initial situation:
Temperature in closed garage -1 ° C.
Vehicle stood 12h. Preheater 30 minutes in operation. Total operating time 0.5h.
Heating time to the first independent shutdown Vorwärers, 15min. Cooling water temperature 50-60 ° C
The engine starts at a cooling water temperature of approx. 50-60 ° C even warmer than in the summer, the heating can be used quickly, the operating temperature is reached quickly.
Longer temperatures and a more uniform heating can be achieved by a longer running time.
Customer Feedback:
Truck MAN 6 cylinder diesel, in Latvia at -25 degrees up to approx. 10 ° C within one hour of operation.


The engine and cooling water temperature is influenced by factors such as the Abstellort of the vehicle and the size of the cooling circuit during preheating.

We give in our offers to the internal circuit temperature of the respective preheater, no cooling water or engine temperature.



  • Voltage: 220-240 V 50 Hz

  • Power: max. 2000Watt to 230Volt

  • Pump Performance: max. 8 to 12 L / min.

  • Pump height: 90cm

  • Suitable for cooling water hoses of 16 to 20 mm internal diameter

  • Switching temperature of the preheater: approx. 75-85 ° C

  • Weight: approx. 1100 grams

  • Dimensions: 170 x 80 x 70 mm

  • Connection cable: approx. 100 cm 1,5mm² (black)

  • The switching temperature can vary and depends on the cooling water circuit

  • Manufactured according to international safety standards

  • CE marking



  • Heater (switching temperature up to 75-85 ° C)
  • 2 X Hose Clamp
  • 2 X tee
  • Connection cable 1 meter at the device
  • Detailed installation instructions in German


You can find more details about the product and its installation as well as further information on our support page


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Additional product information

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