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  • something somewhere must be "sucking" the water out of your U bend and using your sink as a vent

    Yeah, this is exactly what is happening. It's an epic saga :) I'm really tired of the the freeholder trying to pin this on us, and it would really simplify things if I can just reply with a report from a pro plumber when they ask if I've had it looked at internally.

    Paddington way.

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