The secondary heat exchanger is only found in a combi boiler and allows the heat to be transferred between multiple closed systems. The Primary Heat exchanger is sometimes referred to as the 'main' heat exchanger or heat engine. The secondary heat exchanger can also be known as the plate heat exchanger or the domestic hot water heat exchanger .

Brand Name	Worcester Bosch
Manufacturer Model No	87161066850
Type	Heat Exchanger
Certifications Met	Not Applicable
Part Number	87161066850
Plate	16
Includes	Seals, screws and Clips

Brand Name	Worcester Bosch
Colour	None
Material	None
Manufacturer Model No	87161066850
Wear Type	None
Type	Heat Exchangers
Certifications Met	None
Country of Origin	None
Protects From	None
Waterproof	None
Boiler Spares Part Number	87161066850
Boiler Spares Type	Heat Exchangers
Manufacturer Guarantee	1 Year Guarantee
Pack Size	1
Product Type	14-Plate Heat Exchanger

Brand Name	Worcester Bosch
Colour	None
Material	None
Manufacturer Model No	1015031
Wear Type	None
Type	Heat Exchanger
Certifications Met	None
Country of Origin	None
Protects From	None
Waterproof	None
Number of Pockets	None