OWLHeizer engine preheater

The heater from the socket!


Popular and established since 2009




Advantages of an electric motor preheater:

  • Low purchase price and low installation costs
  • Operation in closed garages possible
  • Very small and compact in design, and universal fit for all vehicles.
  • Is ensured pump integrated in the preheater, such that the continuous circulation of the cooling water during the Aufheizfase.
  • Fuel saving, due to shortened warm liquor
  • Minimizes engine and catalyst wear
  • Minimizes wear on the vehicle battery
  • Installation is simple to implement and low cost.

OWLHeizer OWL-1S Pro with porfessional connection kit


The alternative to heating

Electric engine preheater OWLHeizer OWL-1S Pro

  • 230Volt - 1100Watt - up to 80 ° C- Universal fitting
  • Small compact design
  • Integrated pump
165.70 *
regular price 172.53 €
You save 4 %
In stock
can be shipped within 1-2 days

OWLHeizer OWL-4S* 2000 Watt

111.12 *
regular price 116.97 €
You save 5 %
In stock
can be shipped within 1-2 days
Prices include VAT, plus delivery


Here you will find a compiled collection of information,
Concern the assembly and operation of the engine preheaters