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  1. M

    Suprima 50 cut-out

    zone valves operating ok ?? pump operating ok ?? thermister ?? overheat stat ?? check all these and there aint much left
  2. M

    pressure falling in combi- when to ask for help

    you'll probably find that chris has identified the main fault id be surprised if it wasnt, either that or a blockage is causing the pressure to rise, the hose connection to the pressure vessel is normally easilly sludged up and ive seen many like this. Too many engineers look for a leak but if...
  3. M

    potty 80 CH failure question (number 9000)

    guys came across 3 issues in 1 week with these diverter valves. whats the easiest way to free it if its sticking ? draindown,turn of thecold feed etc to see if it frees ? the latest issue I had wouldnt free so I ordered the valve only to return today and be told its ok again. basically...
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