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oh no. Now the heating/hot water refuses to start. Tries to light and fails every time. The pump in the airing cupboard won't stop running (have not fitted the new one yet) The pump seems to really be struggling now so suspect it could be this

I've bought a new pump as it's been noisy for a while now. This one: http://www.screwfix.com/prods/57506/Plumbing/Central-Heating-Pumps/Grundfos-UPS-15-50-Circulating-Pump grunfos UPS 15-50 Just went to fit it and found that the two big nuts holding the current pump in place are firmly stuck...

Hello Could someone help me fault find what is wrong with my system please? I have a Potterton Suprima 50 which is given us a lot of trouble since January. It now trips out everytime it comes on and give us a flashing red light. In order to get it running again, I have to press the reset...