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Eberspächer Hydronic water heaters

Eberspächer water heaters work independently of the engine and thereby offer a two-fold advantage: pre-warming of the vehicle interior and the engine.

The heaters are integrated in the cooling water circuit of the engine. The heat energy gained is taken from the vehicle`s own heat exchanger and is distributed, finely dosed, as warm air via the air ducts into the vehicle interior. The engine is warmed by the residual heat in the cooling water. In the summer, an Eberspächer Hydronic will have no difficulty in providing air-conditioning from standstill.

Practical control elements, like a digital Eberspächer clock timer or an innovative Eberspächer remote control, make operation perfectly comfortable.


Hydronic function:


Further information:

Hydronic product overview