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Discuss Combi boiler flue through soild external wall in the Plumbing Forum area at UKPlumbersForums.co.uk.

  1. Mr M

    Mr M New Member

    Despite BG covering my boiler with Homecare for years, they have just decided that the external flue is now not sufficient - quoting new Regulations - and they won't cover my boiler any more!
    The flue has a large square opening (as shown) and is around 200mm deep. Can anyone recommend how to seal it so that meets the new Regs? BTW what Regs apply?
    I was thinking of packing it with mineral wool and putting a cover plate around the flue?
    Any comments much appreciated.

    IMAG0648.jpg
     
  2. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    Do you have a picture from outside? How long has it been on cover?
     
  3. Chalked

    Chalked Plumber GSR

    Just needs air brick removing and bricking up the outside and inside.
     
  4. Mr M

    Mr M New Member

    Had cover for several years, cancelled because of the price! Took out new cover again in August but failed first inspection apparently.
    External picture attached.
    Thanks

    IMG_1919.JPG
     
  5. hammers4spanner

    hammers4spanner Plumber GSR

    Phone the manufacturer see what they say about thr flue
     
  6. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    You any good a being a bricky tbh an hours work and your done
     
    • Like Like x 1
  7. king of pipes

    king of pipes Trusted Plumber GSR Top Contributor!!

    It needs making good buy a thermalite block and a bag of ready mixed sand and cement as shaun said a hours work and your sorted . Cheers kop
     
  8. hammers4spanner

    hammers4spanner Plumber GSR

    Looks like a baxi flue , BG will fail that after you blocked up the inside as to much white showing lol
     
    • Like Like x 1
  9. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    Also, it might be a dodgy pic but that flue join cannot be inside the wall.
     
  10. Mr M

    Mr M New Member

    Thanks for all the replies.
    Harvest Fields - so if I brick up the hole to say half the depth of the wall, leaving the flue joint clear, that should be OK?
    Can anyone tell me exactly what Regulation refers to this?
    Thanks
     
  11. hammers4spanner

    hammers4spanner Plumber GSR

    A phone call to the manufacturer will point you in right direction . Just been through this tbh with a customer.
     
  12. Last Plumber

    Last Plumber Plumber GSR

    I cannot see the flue inside the wall properly. Is there a joint in there?
    If not, brick up the inside.
    How high is the terminal outside? It may need a flue terminal guard.
     
  13. hammers4spanner

    hammers4spanner Plumber GSR

    I thought the flue was telescopic hence why it possibly looks like a joint ?
     
  14. Last Plumber

    Last Plumber Plumber GSR

    You may well be right there!
     
  15. Mr M

    Mr M New Member

    The only joint is the one you can see in the first photo, i.e. between the 90 degree bend and the straight flue that goes outside.
     
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