In thermal, full deaeration systems, exhaust vapour accumulates inherently. Without a vapour cooler, exhaust vapour would be dissipated into the open air. In the vapour cooler, however, the exhaust vapour condenses by means of a heat exchanger. The accumulated thermal energy generated during the cooling of the exhaust vapour is used to heat up the make-up water.



  • Heat recovery and thus efficiency improvement
  • Useable energy for additional heating or for transfer to separate water circuit

Additional properties


Plate-type heat exchanger with threaded connections, wetted parts are made of stainless steel.

Equipment level

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