The Powermax part is located within the heat exchanger section of the appliance. There are 2 different types of heat exchangers 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 transfer of heat from the burner to the water within the system. The secondary heat exchanger occurs infrequently in fires and allows the heat to be transferred from one closed system to another. Fires usually have a back burne

Brand Name	Powermax