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Ask The Trades › DIY Forum › Plumbing Questions › My boiler won't fire up when hot taps turned on

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My boiler won't fire up when hot taps turned on (Read 3830 times)

Ian_Reynolds

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My boiler won't fire up when hot taps turned on
Apr 12^th, 2007, 12:00pm

I have a potterton combi boiler installed from new 3 yrs ago. Recently I turn on the hot water upstairs in the bathroom and the boiler doesnt fire up. I have to now go downstairs and turn on the hot water tap right next to the boiler in order for it to fire up. It hasn't lost pressure, its idiling at 1 bar and has been since it's installation. Any ideas please?

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thescruff Global Moderator Trade Member Author Offline Who said plumbing was easy. Posts: 6037 Total Thanks: 147 For This Post: 0 Gender: Trade: Plumber	Re: My boiler won't fire up when hot taps turned o Reply #1 - Apr 12^th, 2007, 6:04pm Haven't a clue Perhaps the model would help.
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Ian_Reynolds GDPR opt-out Total Thanks: 147 For This Post: 0	Re: My boiler won't fire up when hot taps turned o Reply #2 - Apr 16^th, 2007, 9:15am Should've realised that this would happen... Now this morning the boiler is not firing up at all when any hot taps are turned on, thus no hot water. It is a Potterton performa 28 combi with 2bar pressure coming in from mains and the boiler idiles at 1 bar. It's been fine for 3 years. Any clues - thanks
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Ian_Reynolds GDPR opt-out Total Thanks: 147 For This Post: 0	Re: My boiler won't fire up when hot taps turned o Reply #3 - Apr 18^th, 2007, 11:06am ...looks like a faulty diaphram - £6.
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