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    Grundfos Pump Overrunning

    Mogget....youre not going to beleive this!!!! I had just gone upstairs to turn off the heating and water and to give your suggestion a try, and as soon as I had turned off the water and heating switches the pump actually stopped!!! All day the blasted thing has been going, and all day Ive...
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    Grundfos Pump Overrunning

    Hi Mogget When you say 'spinning'... are you refering to the Grundfos pump thats on continous? I will give the hairdryer a go, see if the pumps then stops!! Fingers crossed!!! :)
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    Grundfos Pump Overrunning

    Hi Mike Im aware of what its used for, but Ive not had personal experience of using one myself. Looks like the bucks will have to come out!!
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    Grundfos Pump Overrunning

    Hi mogget Ive checked the boiler and under the actual main on/off power supply switch there is a Honeywell froststat located directly under the switch...both wires seem to run into the boiler. Could this be another possible cause? - If so, do you have another solution? your comments are...
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    Grundfos Pump Overrunning

    Great stuff - thanks for your help Mike
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    Grundfos Pump Overrunning

    OK thanks Mike.... Is it likely I can fix this myself, or do I need to get an engineer out to asses the work? Ive worked with pumps etc in the past, but im unsure on intergrated stats on boilers.
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    Grundfos Pump Overrunning

    Hi Mike A little more info for you..... Its a Neat Heat Profile 50 HAJ015757....if this makes sense to you?
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    Grundfos Pump Overrunning

    The matchbox size box on the side of the tank is a Honeywell The make and model of the boiler is Potterton Netaheat Profile The pump is a Grundfos Selectric The boiler actually seems to be working fine, its firing up and going out as we need it too. Its on turning the system off, when...
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    Grundfos Pump Overrunning

    Thanks Mike How will I know if I have an override boiler? Is this the matchbox size stat on the side of the boiler? This has a wire leading out to another box? Thanks
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    Grundfos Pump Overrunning

    Hi there I have a CH system in my house, not sure how long its been there, but it looks old!! last night before going to bed, I turned the themostat down to 14-16, as normal but the pump carried on running. This the first time it appears to have happened. The water was switched off and...
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