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- 975
Got some newbuilds to spec. They require weather compensators to be fitted. There is an underfloor zone a radiator zone and hot water . The U/F zone comes with programmable roomstat, the rad zone will have a Honeywell CM907 prog roomstat and hot water will have a Honeywell ST9001. The boiler will be a Vaillant 615 system boiler (and unvented cylinder). Is the weather compensator compatible with these controls, or will I have to get all Vaillant controls. Vaillant technical are not very helpful..... Cheers