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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Help: Leaking drain-off valve
I've fitted a new immersion cylinder but am having a problem with the
drain-off valve. When I bought the valve I thought it should have a fibre washer, but a friendly plumber told me that it doesn't and I should instead use 13 turns of PTFE tape. The problem is that even though I've tried this a few times I can't get the damn thing to point downwards - and it leaks! (the irony - having to use the drain-off valve for the first time because IT leaks... grrrrr.) To me it doesn't seem right: the face of the valve seems smaller than the face of the outlet on the cylinder as if something else should be there. Searching the archives has left me thinking that this is a 1/2" BSP parallel thread and that what the plumber told me is probably correct, but it still seems odd (to my naïve plumbing skills) that the immersion element came with a nice washer but the valve didn't. I'm going to try again this morning with even more tape, but thanks if anyone can put me out of my misery and tell me if I'm doing anything wrong. I've put a picture up he http://myweb.tiscali.co.uk/dbecker/drain-off-valve.jpg David |
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