the pump stays on after the heating has switched off?
grundfos MK 2 15/50 x 18 playing me for a fool?
is my c/heating pump working?
how can i stop my grundfos pump jamming ?
Problem after changing ch pump on a grundfos pump plan?
how to air out of the central heating pump?
water is filling the header & expansion tank via the feed pipe to the pump?
Grundfos Selectric UPS 15-50 pump?
Problem refilling CH system after fitting Grundfos 15-50 130 selectric pum?
How can reduce the noise made by my Grundfos ups 15-50 pump?
my grundfix selectric wont stop pumping?
Can I speed up my grundfos selectric 1550 pump?
Replacement capacitor?
Grundfos UPS 15 Circulation Pump Fault?
Turn dial which way to increase speed?