Can someone please tell me how I can stop a water leak in a piece of PVC
pipe that connects my underground sprinkler system. It is a threaded
Is there something I can put on it to stop the leak without taking it
apart? I cannot use any type of heavy duty glue, as I may need to
unscrew that joint if a valve needs replacing later. I tried plumber's
tape, but no luck.
Not really. You're better off just replacing the section of pipe and/or the
If thread sealing tape doesn't fix the leak, don't waste any more of your
time with it. Just replace the threaded section of pipe and/or the valve.
It's not a difficult job, or an expensive one. The hardest part will be
digging up the area around the leak.
BTW, don't forget to turn your water off before you start taking things
Hope this helps.
As Bannister says, replace the section of pipe. You don't give much
info. If you are going from PVC to an iron pipe, be sure to use a
-male- pvc piece and do not overtighten. Using a female one can cause
it to split on the cast line (trust me, I know from bad experience).
Overtightening can, believe it or not, cause leaks.
The one thing I learned about threaded PVC joints is that they are prone to
leaking especially where they are screwed into metal. The best way to stop the
leak is to use teflon tape and just finger tighten it. What happenes is that
when you tighten it past handtight the PVC part will start to distort and leak.
I just put it on hand tight then pressurize the system. If it still leaks
then i tighten it just a little more.
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