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Overview
Vaillant 7 coil heat exchanger is compatible with ecoTEC VU (condensing), ecoTEC VUW (condensing) and ecoTEC VUI (condensing) boilers. The heat exchanger transfers heat from a boiler's burner to water. A primary heat exchanger is found in all boilers, using heat from a burner to raise the temperature of the water in the system, while a secondary heat exchanger is present only in combis and allows the heat to be transferred between closed systems.
- Compatible with Ecotech Plus 637 VU376/3-5 R1, Ecotech Plus 637 VU376/5-5 and Ecotech Plus 637 VU376/5-5 R1
Technical specification
TypeHeat ExchangerCompatible WithECOTEC PLUS 637 VU376/3-5 R1, ECOTEC PLUS 637 VU376/5-5, ECOTEC PLUS 637 VU376/5-5 R1, ECOTEC PLUS 637 VU376/5-5 R2, ECOTEC PLUS 837 VUW 376/3-5 R1, ECOTEC PLUS 837 VUW 376/3-5 R3, ECOTEC PLUS 837 VUW 376/5-5, ECOTEC PLUS 837 VUW 376/5-5 R1, ECOTEC PLUS 837 VUW 376/5-5 R2, ECOTEC PLUS 937 VUI376/3-5, ECOTEC PLUS 937 VUI376/5-5, ECOTEC PLUS 937 VUI376/5-5 R1 and ECOTEC PLUS 937 VUI376/5-5 R2Manufacturer Model No0020135134Brand NameVaillant
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