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    Advice needed regarding compression fitting

    Well, I put a little jointing compound (from Wickes) around the olive, and tightened up hand-tight, then nearly half a turn with the wrench, at which point it "squeaked". Turned on the stopcock, and the joint was clearly weeping. After 4 more squeaky nudges with the wrench, the nut is now a...
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    Advice needed regarding compression fitting

    Thanks for the reply and reassurance. But what about (3)? If, by bad luck, the olive gets mangled and I need to start again, can I simply remove the plate and olive, and put on a new olive? Or has the pipe had it at that stage? (Don't mean to sound pessimistic, but being a total novice at...
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    Advice needed regarding compression fitting

    I hope to finish fitting an outside bib tap soon, and would like a little advice as plumbing is not something I have any experience with at all... All the pipework inside and out was already done as I am essentially replacing an old tap which was never much good (an ancient thing that didn't...
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    Turquoise substance around compression joints

    I have two isolation valves (compression joint type) in my bathroom, for the hot and cold feeds to the wash basin. A light turquoise substance is gradually forming on both valves, around where the nut meets the screw. Is this some kind of harmless mould that can be safely scraped off every so...
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    Safe to oil a stopcock?

    The stopcock in my house for the mains water is very stiff, and a wrench is needed to turn this tap on/off. Is it safe to squirt a little WD40 around the stopcock tap, or could this actually risk causing a leak in the stopcock? Dave
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