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
Supplied with 2 pipes
Technical specification
Waist Sizead24cj13gvTypeHeat Exchanger SealSupplier Part Number064714Brand NameVaillant