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Replacing a shower mixer bar

Discussion in 'Plumbing and Central Heating' started by David Sarbutts, 6 Sep 2021.

  1. David Sarbutts

    David Sarbutts

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    Hi, I’m thinking of changing my shower mixer bar. Can you please tell me how I isolate both hot and cold pipes so I can remove the old mixer bar?
    I’ve just moved house and the boiler is a combi.
    Any help is appreciated.
    Regards Dave
     
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  3. oldbuffer

    oldbuffer

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    Turn off the main stop valve to the property and switch the boiler off. This should stop both hot and cold from a combi system, but turn the shower on to check no more than dregs in the pipes come out.
     
  4. muggles

    muggles

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    Turn off the water at your stopcock, open a hot tap to depressurise the system (this will do both hot and cold) then change your mixer. Once you're done, turn the stopcock on again. Easy!
     
  5. David Sarbutts

    David Sarbutts

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    Hi, Thank you for your replies. Do I need to turn of the boiler or can it be left on?
     
  6. terryplumb

    terryplumb

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    Turn it off ,no point leaving it on really .
     
  7. David Sarbutts

    David Sarbutts

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    Thank you for all your appreciated replies
     
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