Plumbing Help - Lockshield Valve

4 posts & 3 voices | Started 5 months ago by MRanger156 | Latest reply from specialknees

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MRanger156 - Member

Refitted a radiator after decorating but didn't get any heat to it. Realised it was the lockshield valve closing when I refitted the cap (it screws into the valve).

Cap looks like this:

Is there a special way to tighten this cap without closing the valve?

Posted 5 months ago #
Stoner - Member

try screwing the screw in while holding the valve head with some pliers without the plastic cap a few times to loosen off the threads so that the friction of the valve is greater than the friction of the screw threads. Maybe even a drop of oil. Then refit and gently screw the screw in with the cap in place.

Posted 5 months ago #
MRanger156 - Member

Thanks, will give that a go tomorrow.

Posted 5 months ago #
specialknees - Member

You squashed the outside when you turned it off didnt you.?

Have a look and you will see the hole is now oval.

Lightly work it back to round.

Done it myself 100's times, easy mistake.

Posted 5 months ago #

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