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Thread: Any Plumbers??

  
  1. #1
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    A5TRA 59ORT's Avatar
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    Any Plumbers??

    Hi guys,

    Are there any plumbers amongst us that can offer so advice??

    Today I took it upon myself to drain my central heating system and replace the radiators and fit TRV's.

    All rads are done, all valves fitted, and I have filled the system back up, bleed all the radiators, and got no leaks

    However now my hot loop is making on hell of a racket, the pipes are banging and rattling and it keeps venting hot water into my header tank in the loft,

    So Iím guessing that there is some air trapped but how can I get it out? Or will it push it out its self??

    There is a bleed valve next to the hot water storage tank in the airing cupboard but no air is coming out of there, just water.

    Should there be another valve that needs bleeding off??

    If none of this makes sense please let me know and Iíll try and clarify it a bit further.

    Cheers

    Chris

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    lee gsi's Avatar
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    Have you tried bleeding all the rads again?
    The truth is always the truth even if you haven't realised it yet...

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    id bleed the rads again, somtimes they dont bleed off first time.

  4. #4
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    Took 2 days of ours making a noise and then rebleed them and they were then fine.
    The truth is always the truth even if you haven't realised it yet...

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    Are all the radiators getting warm? U say hot loop i'm taking u mean the domestic hot water circuit. It can take an open vented system a couple off days to settle down as said prev. Also try having a look what speed the pump is on this can cause banging and cause it to pump over. If it's set on 3 turn it down to.

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    cheers guys,

    I haven't got the central heating turned on, just the hot water.

    I will go round and bleed all the rads again tonight and also have a look at the pump speed settings.

  7. #7
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    Turn the heating on and then bleed it.
    The truth is always the truth even if you haven't realised it yet...

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    Pump is set to position 2 of 3 so guess thats ok.

    I managed to get a bit more air out of the a few of the rad's today but not a great deal,

    I'll turn the heating on for a bit tomorrow and bleed it again once warm.

    Cheers again for the help

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