Vaillant 178973 DHW Heat Exchanger 20 Plates (Ecotec Plus 800 & VUW 2005 to 2010)

National Shower Spares

Vaillant Domestic Hot Water Heat Exchanger - 20 Plates (178973). There are two types of heat exchanger that can be present, the primary heat exchanger and the secondary heat exchanger. The primary is present in almost all boilers and uses heat from the burner to raise the temperature of water within the system. 20 Plates 4 O-rings and Screws included Genuine brand new Vaillant product, covered by a Vaillant manufacturer's guarantee.

City Plumbing

There are two kinds of heat exchanger that can be present, the primary heat exchanger and the secondary heat exchanger. The primary is present in almost all boilers and it allows the heat to be transferred from the burner to the water within the system. T

Amazon

Heat Exchanger BW (20 tiles) For VCW 196/3 (a) (R3), VCW 246/3-5, VSC 196 °C 150/R3 Manufacturer's number: 178973, Weight: 2.5242928999 pounds, Manufacturer: Vaillant

Direct Heating Spares

VAILLANT 065153 SECONDARY HEAT EXCHANGER, 20 PLATES. Genuine brand new Vaillant Boiler Spares product, covered by a Vaillant Boiler Spares manufacturer's guarantee.