Sime heat exchangers have two kinds that can be found within the heating unit. 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. The secondary heat exchanger enables the transfer of heat between two closed systems and is only necessary for a combi boiler.

Brand Name	Sime
Colour	None
Material	None
Manufacturer Model No	6174221
Wear Type	None
Type	Heat Exchanger
Certifications Met	None
Country of Origin	None
Protects From	None
Waterproof	None
Number of Pockets	None
Waist Size	ad44cb94gu
ERP Rating	Not Applicable
Compatible With	Sime Super 90 MK II, Sime Friendly Format 80, Sime Friendly Format 80E