the pump stays on after the heating has switched off?
Unexplained noises?
Grundfos Selectric 15-50 - noisy when on, intermittent banging?
Grundfos Pump Plan wiring Centre part 96437234?
The pump appears to be operating when central heating is not on?
how to air out of the central heating pump?
Can I stop the start-up noise from my Grundfos UPS 15-50?
my grundfix selectric wont stop pumping?
water pressure dropping ?
How can reduce the noise made by my Grundfos ups 15-50 pump?
I have hot water overflowing into the loft expansion tank?
how can i stop my grundfos pump jamming ?
Problem after changing ch pump on a grundfos pump plan?
grundfos selectric 15-50?
Problem refilling CH system after fitting Grundfos 15-50 130 selectric pum?