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    Promax rapid rise in pressure when on

    Hi. I have a Potterton Promax Combi HE + When the heating comes on the pressure rises over a few minutes until the safety valve blows off the extra pressure. If I manually release the pressure to 2bar it then pretty much stabilises and stays there. However once the system goes off and it...
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    Stop Leak

    Hi, I've got a back boiler heating system. This morning my wife found a small pool under the front of it. When I asked if this was the first time she'd seen anything she told me she'd cleaned up staining on a couple of occasions now....but hadn't mentioned it :roll: The water is dirty with...
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    Heating control display blank. Heating will not come on.

    Hi, first post and needing help. Was reccomended this place by someone who posts on here. Came home tonight after having to go rescue the wife as her car had broken down, only to discover Central Heating Display Pannel is blank. I'm assuming it's that which has gone? I can't even see how it...
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