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	string
Colour	string
Material	string
Manufacturer Model No	6174250
Wear Type	string
Type	Heat Exchanger
Certifications Met	string
Country of Origin	string
Protects From	string
Waterproof	string
Number of Pockets	string
Fits multiple appliances	Yes