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 from the stat and cyl stat go to each brown on m valves, I am using the factory fitted pump over run from boiler direct to pump. using 4/6 for ch/ hw from programmer each taking a live to each corresponding stat greys are together linked with no 1 live