Clean out threaded cap ABS leak

Riosman · Jan 20, 2007

I have two clean out thread caps leaking when I test the drain system by filling it up at the top of the vent. I have tried Teflon tape then teflon tape with thread seal for ABS pipe. The leak is a drop per hour or less.
This will be inspected. I dont know how critical it is

What other options are there?

Randyj · Jan 20, 2007

TFE pipe thread paste.

Sponsor · 2022-01-29T12:20:58-0800

Riosman · Jan 20, 2007

I used "teflon enriched pipe thread sealent" "Tplus 2"

Is teflon paste different?

I never tried the sealent alone I used it with teflon tape.

Markts30 · Jan 20, 2007

I have used both the tape and paste with good results but for really stubborn leaks I find the best is bowl wax...
I have a small plastic tub with a bowl wax I put in it - had it for a year or so and still have lots left...
I smear a fair amt on the threads of the plug using whatever is handy (even my finger if nothing else is available) and have never had a leak with this arrangement...

Riosman · Jan 20, 2007

What is bowl wax?
Is it the wax donut used to seal the toilet?

Riosman · Jan 20, 2007

The bowl wax method only uses the wax ? No tape, no paste

Hopefully no probem... I will try it tomorrow

Racer814 · Jan 21, 2007

wax is best....apply it liberally, working it into the threads on the plug and....no worries

Riosman · Jan 21, 2007

The wax worked

thanks for the help

thepilo · Oct 19, 2009

I know that this is an old thread, but I wanted to let you know that this worked for me as well. I had a stubborn leak from a PVC to Cast Iron Drain Clean out, and used Toilet Bowl wax, very liberally, and it worked. It was hard to seal, cause my Septic has failed, and when I take a Shower, the water fills up, and creates pressure on the seal, and both teflon tape, and pipe compound leaked. This held very well, no leaks (Converting to sewers ASAP BTW)

Thanks!

Ian Gills · Oct 19, 2009

A sewer convert! Good luck and well done!

Clean out threaded cap ABS leak

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