Radiator Valve Tail 15mm x 1/2" BSP (2 Pack)

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Knowing how to fix a leaking radiator valve will help you save money but you might need to replace it. I have yet to refit the radiator and fill with water which will be the ultimate test, however I happened to notice that the nut of the radiator tail bound slightly when it was rotated around the tube of the radiator tail, which was not the case before I make it up ??

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You should definitely get a leaking radiator valve fixed as soon as possible, as water damage can really mess things up if left for any length of time. Can a leaking radiator valve cause boiler pressure to drop? On removing the tail I then applied 6-7 wraps of Loctite 55 to the lower half to the radiator tail crossing the threads as I went, rather than following the thread grooves, as per the Loctite 55 instructions.Assumign I have read your question correctly, I can't for the life of me fathom how you could have distorted the valve end of the tail while doing up the radiator end. Still, on the assumption that the valve end is a compression fitting, I'd wager that if you can still get a nut and olive on, and if you can still get the end of the tail into the valve, it'll seal just fine. If you want to be paranoid about it, wrap some PTFE around the fitting face of the olive.

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These tail extensions provide a simple solution that is cost-effective and avoids any work needing to be carried out on pipes. How do I know if I need a radiator tail extension? Refit the tail and tighten with an adjustable spanner (make sure it’s very tight or it will leak, add more PTFE if it’s not tight enough) Once you have found exactly where the leak is coming from it should be a case of tightening the nut.You’ll have to drain the central heating system before removing a valve can. Draining’s fairly simple with a combi boiler system (without a water cylinder), but if yours relies a conventional water cylinder system, you may need professional help to successfully and safely drain it. Undoing the compression and union nuts Draining the system and adding some jointing compound or PTFE tape is the next level to fix a radiator that is leaking. This is a lot harder but needs to be done.