The pump appears to be operating when central heating is not on?
my grundfix selectric wont stop pumping?
Can I speed up my grundfos selectric 1550 pump?
Turn dial which way to increase speed?
how to air out of the central heating pump?
the pump stays on after the heating has switched off?
Grundfos UPS 15 Circulation Pump Fault?
Problem refilling CH system after fitting Grundfos 15-50 130 selectric pum?
is my c/heating pump working?
Problem after changing ch pump on a grundfos pump plan?
Grundfos Selectric 15-50 - noisy when on, intermittent banging?
Unexplained noises?
Grundfos Selectric UPS 15-50 pump?
How can reduce the noise made by my Grundfos ups 15-50 pump?
Replacement capacitor?
grundfos selectric 15-50?
water is filling the header & expansion tank via the feed pipe to the pump?
Hot water from boiler filling expansion tank?
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