Introducing the brand new VAILLANT ECOTEC PLUS 824 831 837 & PRO 24 28 C.H SERVICE VALVE 0020010296. This service valve is designed to work seamlessly with a variety of Vaillant ecoTEC and pro models, including the ecoTEC pro 22 VU 226/5-3 A R4, ecoTEC pro 26 VUW 266/5-3 A R4, ecoTEC plus 615 VU, and many more.
- ecoTEC pro 22 VU 226/5-3 A R4
- ecoTEC pro 26 VUW 266/5-3 A R4
- ecoTEC plus 615 VU
- ecoTEC plus 615 VU 156/3-5
- ecoTEC plus 612 VU 126/5-5 A R4
- ecoTEC plus 612 VU 126/5-5
- ecoTEC plus 612 VU 126/3-5
- ecoTEC exclusive 627 VU 256/5-7
- ecoTEC pro 26 VUW 266/5-3 R2
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