is it the pump


Postby r1mad » Tue Feb 19, 2008 10:16 am

hi radiators upstairs are warm not red hot though and down stairs are cooler or cold the pump sounds like its running but if memory serve s me it is not as noisy could it be the pump is slowing down so it doesnt have the power to feed all



thanx
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Postby r1mad » Tue Feb 19, 2008 3:52 pm

came in tonite and the radiators that were cold this am were now hot and 1 upstairs was cold so bled them all and everything is hot could it just have been an air lock as quite a bit of air came out
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Postby r1mad » Tue Feb 19, 2008 6:46 pm

i know sounds like a comedy sketch but after a while turned off heating and on again now the down stairs are cold again and the upstairs are hot any ideas
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Postby htg engineer » Tue Feb 19, 2008 7:59 pm

sounds like an intermittent fault with pump - the impeller may be loose or could be getting stuck - replace pump and all should be fine.
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Postby r1mad » Thu Feb 21, 2008 7:59 am

fitted new pump exactly the same as come off but still have problem of that if hw and ch are on together a few of downstairs radiators are cool or cold but if i turn ch off all rads get hot so ?
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Postby r1mad » Thu Feb 21, 2008 8:00 am

fitted new pump exactly the same as come off but still have problem of that if hw and ch are on together a few of downstairs radiators are cool or cold but if i turn ch off all rads get hot so
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