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    Thorn Apollo Boiler & 'Switchmaster' 3 Port Valve

    Hi All, This follows from previous topic; new pump "Flowson" fitted and now working OK, but a new or allied problem has developed. The boiler wont stay on after approx 15-20 mins. There is now hot water, but no heating. The system has a "SWITCHMASTER" BLUE COVER 3 port motorised valve...
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    Heating system stopped working Thorm Apollo Boiler

    Hi Guys, I've been helping a friend with no heating or hot water over Christmas at all! Another mutual friend (commercial heating engineer) confirmed pump had gone; it was banging about beforehand. I fitted a replacement pump OK, filled system with water (could probably do with a proper...
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