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Ask your QuestionHi All, Can anybody tell me, how many turns of PTFE tape is required on radiator joints? I have been told that it should be 10 to 12 turns, but I usually use 3 to 5 turns of PTFE on CH joints which hasn’t been much of a problem to me so far. (Apart from an occasional leak on the first test anyway!)
Thanks, Harry
"Hi Harry, I do use the 10 to 12 turns of PTFE myself and I’d recommend sticking with it – it’s never been a problem to me. Your mileage may vary a bit, but just check that it is biting as you wind it. At worst, start using 10 to 12 turns - if only to avoid your occasional leaks."
Answered on 5th Mar 2019 - Member since Mar 2019 - report"About 8 for me. Wind in and out half way. Jointing compound. Then wind all the way. Never leaks"
Answered on 10th Apr 2019 - Member since Jan 2017 - report"This one is down to experience I always use min 6 turns depending on if the thread is new and if there are any tension on the joint. I also use a tread paste in all instance as a fail save. I apply the paste on top of the thread.
The best way is to get a plumber round to do the job that way there shouldn't be any great concerns for leaks"
"13 turns away from you and one for good luck
Craig."
"I would say around 5/7 that's confused the issue now for you but stick with my advice you will not go wrong."
Answered on 19th Jul 2019 - Member since Jul 2019 - report"On radiators I go for belt and braces approach 8 turns of ptfe and some liquid ptfe on internal threads. Never had a leak yet using both and as its not pottable water, why not ????"
Answered on 30th Apr 2019 - Member since Jul 2018 - report"5-6 turns is the recommended amount. 3 isn't really enough and 10-12 is too many. Personally I use jointing compound as well to guarantee leak proof joints."
Answered on 2nd May 2019 - Member since Nov 2018 - report
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