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    Pumping over/overflowing problem, Y-plan system

    Hi Could I just clarify; during the gravity to Y-plan conversion, the gravity valve *should* have been removed - is that correct? having read some other posts re: pumping over, and given the fact that prior to the work in Jan 2010 (new controls, new 3-way valve, *allegedly* a system flush...
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    Pumping over/overflowing problem, Y-plan system

    Hello all We're having serious problems with our system (Potterton Kingfisher MF Y-plan system) and have called out two heating engineers with no resolution to the problem. Sometimes when we program the system for hot water, after about 20 minutes, the pipework starts hammering and hot...
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    Strange behaviour with Salus EP200 controller

    Hi The outcome was that eventually, after 18 weeks, the plumber admitted the motorized valve was faulty and replaced it. The heating and hot water worked correctly from then on. Regards Neil
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    Strange behaviour with Salus EP200 controller

    Hello all Apologies in advance for being long winded but the problem is complicated, I think. Our system is fully-pumped, boiler is Potterton Kingfisher MF. We had a new 3-way valve (Salus MV322) and a Salus EP200 fitted before Christmas. Thermostat is wireless, I can't remember the...
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