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Plastic or brass piping to Baxi central heating

Discussion in 'Plumbing and Central Heating' started by alankearn, 30 Nov 2015.

  1. alankearn

    alankearn

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    At present and working OK I have a 14/15 year old Potterton Suprima 40 central heatng boiler that is on a service agreement with British Gas.
    Recently I was warned by British Gas that spare parts were getting short for this model and that they could not guarantee its repair in future.
    There are two plastic pipes around 1 inch in diameter into the Potterton boiler presumably for water in and water out.
    I am thinking replacing Potterton boiler (before it breaks down for good) with a Baxi Solo boiler but have been told that plastic pipes to the old boiler will have to be replace with the first metre of piping out of the new boiler made of brass.
    I have been told British Gas inspectors will not pass it if the new boiler is connected to plastic pipes.
    Could someone tell me if this is true and the reason please

    Thanks
     
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  3. sooey

    sooey

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    Take no notice of british gas, there should still be plenty of parts available for a good while yet.
    But it shouldn't have plastic straight to the boiler, it's always recommended that the first metre at least be run in copper (not brass).
     
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  4. muggles

    muggles

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    British Gas are getting nervous that it's going to start costing them more than they're taking off you in contract payments, clearly. Time to bin them off and get a proper reliable local engineer in instead. Put the money you would have spent on the BG contract into the bank ready for a rainy day and you'll be better off in the long run

    The Suprima isn't a bad boiler, save for a slightly shaky PCB, and I'd be inclined to hang on to it. You should have at least one metre of copper off the boiler before going to plastic, and if you did change boilers any good engineer would change this as part of the job. The reason, as I understand it, is that if the boiler overheats uncontrollably, plastic pipe could burst whereas copper will dissipate the heat and hopefully protect the rest of the system without spraying you with steam. In reality, I'm not convinced that one metre of pipe is enough to do this...
     
  5. DIYnot Local

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