Search results

Showing 0 ohms across terminals - that's not correct/good is it?

Thanks for the reply. Yes I know the pump shouldn't stop while the boiler is on. Seems to do different things on different days. I'm sure it was still getting 248V when it stopped. Today the pump won't start/run at all despite having 250V at the terminals - could this be capacitor? What...

Hi all, I'm having problems with my central heating boiler pump (Grundfos UPS 15-50x18). Sometimes it will run when the boiler fires up but stops after a few minutes even though the boiler is still lit (ie no overrun). The run time varies from 1-2mins to 11mins. Sometimes it won't run at...