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Correct Size Air Vent Cover - Millimetres too Big.

Discussion in 'Plumbing and Central Heating' started by DIYamTrying, 17 Sep 2021.

  1. DIYamTrying

    DIYamTrying

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    https://www.screwfix.com/p/manrose-cowl-vent-white-125mm/54366#_=p

    Bought this product, but the round collar does not fit inside the tube/flue. Sizewize, the collar is exactly the same as the flue so it's millimetres too big to connect. The flue has been in the wall about 15 years. It's a different manufacturer but I threw the old cover away because I thought I had the right product.

    Any ideas how I can sort this. 5 inch open hole in my flank wall now :)
     
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  3. magicmushroom666

    magicmushroom666

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    A straight coupler piece should be able to fit over the existing pipe, and therefore over the cowl as well?
     
  4. pcaouolte

    pcaouolte

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  5. Tigercubrider

    Tigercubrider

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    If you can find a small piece of pipe the same diameter, cut a slice 25-50mm off and remove a section of the pipe about 5mm along it's "length"
    It will glue/friction fit and allow same size connection,
    Or just cut off the back of the wall plate and screw it to the wall
     
  6. RandomGrinch

    RandomGrinch

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    Sorry, silly question!
    I just wanted to check that this was a cowl for an air vent, and not an appliance flue? :)
     
  7. DIYamTrying

    DIYamTrying

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