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    24 Dec - update - Grundfos pump still runs constantly

    So there you have my issues my friends. We had the same issue with the old boiler and again with the new boiler. Didn’t really a new boiler at all did we British Gas? So to date: 1 new boiler I new room thermostat (same model as before) 1 new programmer/timer (same model as before) 3 new...
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    24 Dec - update - Grundfos pump still runs constantly

    19 December 2018 - update: 9 British Gas engineer visits later and the fault has still not been found. They changed the Honeywell water valve too as thought it was sticky micro switches but to no avail. I’ve posted my concerns on Twitter now - please feel free to read and add your comments -...
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    24 Dec - update - Grundfos pump still runs constantly

    Hi and thank you. No it wasn’t BG, a local installer put it in. Straight swap for an old heat only boiler. A Vaillant engineer came out and checked the boiler installation and he confirmed the boiler was fine. BG have changed the programmer today (like for like). The problem was only arising...
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    24 Dec - update - Grundfos pump still runs constantly

    Thank you Motman and to everyone who has kindly replied to my dilemma - it is greatly appreciated :)
  5. L

    24 Dec - update - Grundfos pump still runs constantly

    Thank you Dilalio - will get that checked too.
  6. L

    24 Dec - update - Grundfos pump still runs constantly

    Hi Jeff. Thank you for your message. The boiler is in the kitchen. We had this exact same issue with the old boiler and again with this new boiler. Would a frost stat cause this issue intermittently? As this issue started in October, when we weren’t using the heating at all - if I think back...
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    24 Dec - update - Grundfos pump still runs constantly

    Hi - thank you for your responses. The end switches were tested as the pump was constantly running when BG arrived this morning I’ve just put the heating on timed to see if the pump behaves and comes on and off as per the timer - just trying to rule out the programmer - totally desperate to get...
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    24 Dec - update - Grundfos pump still runs constantly

    Thank you again. The Drayton one has been changed twice now - first on 31 October and again on 7 December. BG stripped open the Honeywell one this morning and tested it all - all the motor etc appeared to be working fine.
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    24 Dec - update - Grundfos pump still runs constantly

    Dear Picasso Thank you for your kind response. Apologies if I have posted twice - I’m trying to work out how to use this site. Yes, I will ask the BG to check the PCB - although we had the exact same issue with our old boiler (Potterton HE Plus) and now again with the Vaillant Ecotec Plus 418...
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    24 Dec - update - Grundfos pump still runs constantly

    Dear Friends Please, please, please could somebody point me in the right direction? Moved into this house (house is approx 10 years old) in September. Fully sealed system, HE Tribune cylinder, S Plan, drayton actuator on the heating side, honeywell valve on water side, grundfos red pump next to...
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