I just installed a new 'shutoff' valve on my house water supply line.
I'm using 3/4" PVC pipe, so I got a threaded, PVC adapter with a male
thread that screws into the shutoff valve and the PVC pipe glues into
the female side of the adapter.
OK, so I get 50' of pipe all glued together and connected to the water
meter and slowly open the valve on the water meter. Well, I have a
slight leak which appears to be from where the threaded adapter screws
into my new shutoff valve.
Should I have used teflon tape on the thread? Or should I have used
the PVC glue?
On 1/26/2010 4:25 PM firstname.lastname@example.org spake thus:
The former (teflon tape). You don't want to use glue except to glue
together slip joints.
You can just cut the pipe, reattach the valve with thread sealant, then
connect the cut ends with a coupling. (You'll want to trim back one cut
end to make the length come out the same as before.)
You were wrong, and I'm man enough to admit it.
My boss taught me to teflon tape the male threads, and then
paint on Rectorseal #5 onto the male threads. That has
worked for me. It sounds like you'll have to cut the PVC,
dope the thread, and then use a coupler to put the PVC back.
I'm sad for the extra work.
What did you put on it? Nothing? I would probably have used teflon tape,
as I have done in the past on similar app;ications with good results.
Others in here may have different ideas of what is best. Larry
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