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  1. R

    heating coming on when not required

    yes i have gravity hot water , but what is this vale you talkng about ? waht does it do and how does it relate to my problem please?
  2. R

    heating coming on when not required

    hi , system ws drained by myself last year as i fitted a new rad in bathrom ie a replacement. also had inhibiter put in tank above . does anyone have a wiring diagram for the system i mentioned please ?
  3. R

    heating coming on when not required

    hi , system ws drained by myself last year as i fitted a new rad in bathrom ie a replacement. also had inhibiter put in tank above . does anyone have a wiring diagram for the system i mentioned please ?
  4. R

    heating coming on when not required

    Hi, the problem of pump running continously has been ther since i moved in 2 years ago, but the other problem of heating rads when not req has been ther about 8 months now , there has not been any work done on system other than draining and refilling system. The prgrammer is a potterton ep2000...
  5. R

    heating coming on when not required

    have had this problem for some time now. The radiators are heating sometimes even when the hall stat is on low setting ie off. I have checked operation of motor in mid port valve it seems to be working , but cannot check operation of the valve inside ...could it be broken ? or not shutting off...
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