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Discuss Help identifying a pipe please in the Central Heating Forum area at UKPlumbersForums.co.uk.

  1. Hadlowj

    Hadlowj New Member

    Hi everyone I’m looking for a little help to identify a pipe so far I think the below is correct (see pic)

    A - hot from boiler

    B - expansion to expansion tankin loft

    C - control for hot water tank

    D - control for central heating

    E - return from hot water tank coil, return from central heating T’s into it from the floor I believe

    F - goes upto expansion tank

    Now the one I’m not sure about.
    What is pipe G, I was thinking some kind of expansion again maybe for central heating but it has a valve that seems unwise for expansion.

    Any ideas?
    Whole system both central heating and hot tank are vented.

    Many thanks
    James

    E3AA0AE2-9651-4E0B-AA25-21730DD88686.jpeg
     
  2. king of pipes

    king of pipes Trusted Plumber GSR

    Combined Cold feed and vent for the heating system . cheers kop
     
  3. Best

    Best Trusted Plumber

    Not sure why the valve has been fitted on the feed pipe there. It shouldn’t be on any feed pipe
     
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