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DIYGST 01-19-2009 01:46 AM

Re-using compression nut and sleeve on another brand of shut off valve?
Hi, I just installed new faucet shut off valves. After a tough time pulling the old sleeve off I found deformed pipe so I cut off about 1".. but next time it will be too short and will require soldering a longer pipe.

I installed new ball valves and these balls attempts to shut 2 outlets, there are problems with these valves, one spray water and one drips. I don't know if the manufacturer (Watts) has a different idea about shutting off water than I do, but I am not ready for the faucets yet so this dripping is not acceptable.

My question is that can I keep the Watt's nut and sleeve to install another brand of shut off valve, or should I pull them off again? Because I was thinking I wouldn't need another valve for 20 years+, I tightened them pretty good, so I am afraid I might have deformed the pipe or something. I should have known better since they were less than $10.
The spacing before the sleeve could also be different so am I in trouble here?

Thanks in advance.. very frustrating day of DIY...

Just Bill 01-19-2009 06:34 AM

In general, you can usually swap the valve without replace the nut/compression ring. These components have become largely standardized. That is not to say it will always work. I usually apply a dab of plumbers grease to the nut threads and the ring before installing. This allows you to tighten them a bit easier and tighter.

Mike Swearingen 01-19-2009 07:07 AM

I almost always use the old nut and compression ring when replacing a compression fitting valve.
The brass ferrule ring actually does the sealing in a compression fitting(not the threads) so Just Bill's sealing tip should do the trick for you.
I always smear a little clear silicone caulk on the ring, tighten it up (with a backup wrench) and never have a problem.
Good Luck!

DIYGST 01-19-2009 09:57 AM

Thanks, what is Plumber's grease? That's the problem I was having, one did not turn as much as another and the turning action was jerky. I was thinking antiseize or something but it's for the kitchen.

Can I use some NSF food safe silicone grease and have it work the same way?

I am thinking about it and it's the tiny TAPER on the front edge of the brass ferrule that seals the water ? So as long as I tighten a smudge more than the previous faucet, I should be good?

DIYGST 01-19-2009 12:44 PM

I have bought the plumber's grease, seems like good stuff, It really helped me tighten the nut smoothly

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