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Overview
Vaillant has two kinds of heat exchangers that can be fitted, the primary heat exchanger and the secondary heat exchanger. 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 only appears on combination boilers and allows the heat to be transferred between two closed systems.
- Compatible with Ecotech Plus 837 and Ecotech Plus 937
Technical specification
TypeHeat ExchangerCompatible WithVaillant ecoTEC PLUS 837, Vaillant ecoTEC PLUS 937, Vaillant VUI 376/3-5 (2006-2010), Vaillant VUW 376/3-5 R1 (2006-2010), Vaillant VUW 376/5-5 (2012-CURR), Vaillant ecoTEC PLUS 837, Vaillant VUW 376/5-5 R1 (2012-CURR), Vaillant ecoTEC PLUS 837 R1, Vaillant VUI 376/5-5 (2012-CURR), Vaillant ecoTEC PLUS 937, Vaillant VUI 376/5-5 R1 (2012-CURR) and Vaillant ecoTEC PLUS 937 R1Manufacturer Model No0020025041Brand NameVaillant
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