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  1. J

    mid position valve wiring question for y plan

    i have a fault on ch system. It is a conventional y plan system and the fault is the ch radiator get hot when only hw is called for. I have checked wiring and it looks to follow the honeywell circuit diagrams for the mid position valve and y plan system. the instructions state that for just...
  2. J

    gravity fed or fully pumped system

    on my central heating system i have a pump then a 3 way mid position valve then two outlets one to central heating radiators and one into the hot water tanks. Is this system a fully pumped hw and ch system or could it be a gravity fed hw and fully pumped ch system? thanks
  3. J

    Shower trap waste insert missing causing smell

    The insert for the waste trap on my shower is missing causing a bad smell when en suite used. Had drains contractor come out due to smell thinking it was the drains but he then pointed out the missing trap. He wanted £95 to replace the insert, not the whole trap just the insert that goes in...
  4. J

    central heating coming on when only hot water selected

    when only hot water selected my radiators get hot. I have checked wiring and it all seems wired correctly for a y plan system according to honey wells diagrams. I have proved the 3 way valve is not sticking by wiring a new one in as a dummy and watching it move between ports. The valve irks fine...
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