aberdeen city council

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    Combined double check and isolating valve incorrectly fitted?

    Hi all! I'm new this is my first post. After a couple missed years I had a first service visit by BG. The engineer said he had to fail the inspection because the filler loop leaks when the valve is opened to top up the boiler pressure he said this is because the Combined Double check & isolating...
    • semplerock
    • Thread
    • aberdeen city council bad plumbing example boiler combined double check valve filler loop filling loop filling loop valve leaking incorrectly fitted leaking
    • Replies: 13
    • Forum: Plumbing and Central Heating
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