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Old 06-08-2020, 05:22 PM   #1
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Default Brass to PVC Joint Leaking - Frustrated!

Hi All,

After several attempts, using a new PVC fitting each time, this irrigation line still leaks. This is all new plumbing. It's a copper pipe with a brass fitting on the end, and painted the house color. I'm trying to connect the PVC pipe from the valve manifold but it keeps leaking, a drip every few seconds. Inside the fitting, the female threads are clean, no debris, no paint, nothing.

I've tried a few wraps (3-4) of teflon tape, tried several wraps (7-8), tried tape with RectorSeal sealer - then waited 48 hours for sealer to cure. As soon as I pressurize the line, which is 75PSI, the joint leaks. Any help would be appreciatted. This is the line to the irrigation manifold valves. It will be under pressure at all times.

Could the brass fitting be out of round...would that cause it to leak?






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Old 06-08-2020, 05:31 PM   #2
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Sounds like you need a plumber or irrigation company to fix it right.
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Old 06-08-2020, 05:35 PM   #3
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Plastic threading into brass, gunna wanna grab a pair of dogs an tighten it untill you hear a crack
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Old 06-08-2020, 06:28 PM   #4
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Instructional video right here :


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Old 06-08-2020, 06:51 PM   #5
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Quote:
Originally Posted by AZMedia View Post
Hi All,

After several attempts, using a new PVC fitting each time, this irrigation line still leaks. This is all new plumbing. It's a copper pipe with a brass fitting on the end, and painted the house color. I'm trying to connect the PVC pipe from the valve manifold but it keeps leaking, a drip every few seconds. Inside the fitting, the female threads are clean, no debris, no paint, nothing.

I've tried a few wraps (3-4) of teflon tape, tried several wraps (7-8), tried tape with RectorSeal sealer - then waited 48 hours for sealer to cure. As soon as I pressurize the line, which is 75PSI, the joint leaks. Any help would be appreciatted. This is the line to the irrigation manifold valves. It will be under pressure at all times.

Could the brass fitting be out of round...would that cause it to leak?






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you have no clue what your doing, so now hire a plumber and pay for his knowledge, because you aint getting any free lessons here...
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Old 06-08-2020, 09:34 PM   #6
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You need to use a copper male adapter and a PVC female adapter. Doing it the other way around like you have it always leaks.
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Old 06-09-2020, 01:34 AM   #7
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Quote:
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......It's a copper pipe with a brass fitting on the end......



Please stop calling it a BRASS fitting, it's not brass, I guarantee that. I bet you a dollar it's wrought copper.


.
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Old 06-09-2020, 07:45 AM   #8
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This forum is for professional plumbers and similar trades.

This is not a DIY site. There is a Sister site you are welcome to explore.

If you are a trades person, please "read the rules" and post an intro first. Then ask your questions.

https://www.plumbingzone.com/f3/new-...se-read-29585/


https://www.plumbingzone.com/f3/why-post-intro-11368/
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