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Hi need help with s plan using 3/4 link from non combi valiant have done my s plan still a wee problem, does no 4 boiler link go to no 10 in my centre with the m valves oranges. what about no3 from link am i right in thinking this is a permanant live anyway and is it required. my s/w returns...

HI ALL my names phil electrician from liverpool. i have been trying to get this cm927 wireless controller to work on this brand new vaillant combi boiler. checked all wireing link took out from 3 4 and sender put in there place. pn from fused spur to sender 4c and earth used to boiler pn to...