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  1. B

    ch air lock?

    thanks for the speedy replies! with the gas supply i am only turning it off at the meter,not messing about with gas pipes no way. i,ll try turning off upstairs rads this afternoon after finishing work
  2. B

    ch air lock?

    good morning,hope someone has advice,i have a fully pumped ,vented ch system,glowworm fuelsaver mk11 (20 year old)grunfos pump boiler in garage above head height and the ONLY drain down point is at ceiling level on the ground floor which will only drain the upstairs rads. had to drain down to...
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