Fix Fault Grundfos

voltage alarm is what my system reads. I have no water coming into the house. can anyone help me.

Can anyone help. I have just moved my oil tank as the new house I brought had the tank 6" from the house. All went well and have pumped the oil back into the tank. Had an earth fault with old grundfos ... more

Bungalow: Hot water system Grundfos circulation pump failed suddenly. [not c/heating one]. Q: 1 Is it possible for one to 'sludge up' like the central heating ones do?. Q:2 Is their equipment ... more

Bungalow: Grundfos hot water circulation pump failure. Kitchen around 20mt from storage tank so the pump failure means hot water takes along time to get to kitchen. All other taps to sinks,bath, sh ... more