Brand Name	Vaillant
Colour	None
Material	None
Manufacturer Model No	801621
Wear Type	None
Type	Heat Exchanger
Certifications Met	None
Country of Origin	None
Protects From	None
Waterproof	None
Number of Pockets	None
Heat Exchanger Part No	801621

Vaillant are two different kinds of heat exchanger that can be present, they are 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 is only present in combination boilers and allows the heat to be transferred between two closed systems.

Brand Name	Vaillant
Colour	None
Material	Heat Exchanger
Manufacturer Model No	0020135133
Wear Type	None
Type	Heat Exchanger
Certifications Met	None
Country of Origin	None
Protects From	None
Waterproof	None
Number of Pockets	None
Waist Size	aa52cd11fw
Compatible With	Ecotech Plus 630 VU306/3-5 R1, Ecotech Plus 630 VU306/5-5, Ecotech Plus 630 VU306/5-5 R1 and Ecotech Plus 630 VU306/5-5 R2
Supplier Part Number	0020135133