Ideal 175161 Heat Engine Kit

Brand: Ideal

This Part Fits:

Ideal Domestic ICOS HE 15

Ideal Domestic ICOS HE 18

Ideal Domestic ICOS HE 24

Product Information: 

There are two different types of heat exchangers that can be within your heating unit,

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.

The secondary heat exchanger is exclusive to

combination boilers and allows the heat to be transferred between one closed system and another.