ecoTEC Plus VUW Heat Exchanger DHW 178973 (20 Plates)
Vaillant Heat Exchanger DHW 178973
For use with the following Vaillant boilers;
Vaillant ecoTEC PLUS 824
and Vaillant ecoTEC PLUS 831
with Vaillant ecoTEC PLUS 837
plus Vaillant VUW 246/3-5 (2005-2005)
fits Vaillant VUW 246/3-5 R1 (2005-2010)
and Vaillant VUW 316/3-5 (2005-2005)
with Vaillant VUW 316/3-5 R1 (2005-2010)
A primary heat exchanger is found in all boilers, using heat from a burner to raise the temperature of the water in the system, while a secondary heat exchanger is present only in combis and allows the heat to be transferred between closed systems.
Box tatty from storage
