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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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collapsed compression joints
after a rather more eventful weekend than i was hoping for, i'm hoping
somebody can explain this.... i finished plumbing in everything in my new bathroom a couple of weeks ago. no real problems and all went quite well. so, i was a bit surprised to be woken at 1am on saturday to the sound of water running and a hysterical girlfriend. it appears that one of the compression joints has spontaneously exploded, allowing mains pressure water to go everywhere. fortunately no real damage done, just a lot of mopping up to do downstairs. the bit i don't understand is why this joint went so suddenly. here's the facts : 1. the pipe had just slipped straight out leaving the olive in the service valve that the pipe had escaped from. 2. the joint hasn't leaked at all in the last 2 weeks. 3. the pipe was running from a service valve horizontally about 4" across then going to a flexi-hose which connects vertically to the adapters which go up to the mixer tap. 4. the pipe wasn't supported by pipe clips, although it's a short run and hardly moves at all anyway. 5. i'd put a couple of wraps of PTFE tape over the olive as i'd been advised that this can help stop small leaks (was this my downfall?) 6. all the other compression joints i've made are absolutely fine and have been for 2 weeks. i'd quite like to understand why this joint has failed so spectacularly before i go trying to fix it. thanks dan |
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