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Recent content by adrian737

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    Boiler does not start - unless increase pump speed -

    Will check daytime tomorrow. Now it's a bit too cold to remove the pump... it's freezing outside!
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    Boiler does not start - unless increase pump speed -

    Thanks for the advice. checked the boiler - Potterton profile 30 I have replaced the valve today. Had to increase the speed to 3 for the first couple of times to start the boiler (when the pump was cold) Then as the pump got warmer it was OK. So not so sure yet whether this was the valve...
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    Boiler does not start - unless increase pump speed -

    That what I was thinking also - the pump Pump is very old , valve is 2 years old only
  4. A

    Boiler does not start - unless increase pump speed -

    Thanks for that Is it the mid position valve? This was changed a year ago. Do I need to change it again? Or is it something else?
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    Boiler does not start - unless increase pump speed -

    No. This is not combi boiler. I've got tank in the loft and hot water tank on first floor.
  6. A

    Boiler does not start - unless increase pump speed -

    I think it's Poterton boiler - not sure exact type - will check in the evening when at home.
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    Boiler does not start - unless increase pump speed -

    Hi My CH boiler occasionally does not start. I've noticed that when I increase pump speed to 3 (normal setting 2) the boiler will immediately start and is OK for some time then. And I can reduce the speed to normal 2. Seems like the pump gets the signal to start but not starting and then...
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