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    Are plastic pipes suitable to use with radiators?


    Hi all,
    We’ve had some pipes replaced recently by a professional plumber to resolve some problems. Although, the issues have been resolved, I’ve since noticed the pipes themselves are plastic – I have some concern about this as these are pipes connected directly and indirectly to the radiators and the boiler.
    Given the heat that could be involved, this is a concern to me – is this normal to have plastic piping used like this nowadays?

    Asked by lauren on 20th Sep 2019
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    Best Answer


    "Yes, this is normal practice although I would recommend having any visible pipes in copper."

    Answered on 4th Oct 2019 - Member since Sep 2019 - report
    P D Services

    "Hi There Plastic pipes to radiators are perfectly OK. However, plastic should not be connected directly to boiler. These should be in copper for distance-check with manufacturer- before changing to plastic.
    P D Services"

    Answered on 23rd Sep 2019 - Member since Apr 2019 - report
    The 24hr Plumber

    "You can use plastic pipes for radiators as long as they are “push fit” style pipes. They are rated for high temperatures from a heat source as long as they don’t exceed a set temperature which is determined by the manufacturer."

    Answered on 16th Jan 2020 - Member since Jan 2020 - report
    sovereign heating-plus

    "Yes if they are the push fit John guest pipes they are suitable for central heating."

    Answered on 19th Oct 2020 - Member since Oct 2020 - report

    Yes you can use plastic pipes, push fits are the best ones but I dont use them for my jobs so I wouldn't recommend them.
    Hope that helps."

    Answered on 21st Feb 2021 - Member since Dec 2020 - report
    Miss Plumb


    Depends on the plastic pipes that have been used. Some plastic pipes are made to take the heat now. Personally, I wouldn't recommend, but you can."

    Answered on 18th Oct 2019 - Member since Aug 2019 - report
    Plumbing alb ltd

    "yes of course they are much easier to use and very safe"

    Answered on 23rd Sep 2019 - Member since Sep 2018 - report
    MS Plumbing services

    "Yes, plastic pipes are used, but most plumbers use copper if the pipes can be seen as looks tidier."

    Answered on 23rd Sep 2019 - Member since Apr 2019 - report
    AJB Bathroom Solutions

    "Plastic is fine as long as it’s installed probably, I only ever use plastic if it’s not on show and copper everywhere else."

    Answered on 3rd Mar 2020 - Member since Feb 2020 - report

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