[Jerry8C]

Toilet Shut Off Water Valve –

I replaced my Turn – Off water valve with a new 90 degree Off- On unit.

I checked for water leakage and none could be seen or detected. But when I run my finger around the circumference of the valve where it screws into the wall, my finger is slightly dampened.

I don’t want to over tighten, so here is my question.

1. Is this normal?
2. If so, could my finger be detecting a condensation on the pipes where they join?
3. Other comments.

Thanks,
Jerry
5/23/20

 

[jmon]

Yes, it could be just condensation. when toilet flushes cold water in pipe hits warm moist air in bathroom. Keep an eye on it for a definite drip from valve. If so, tighten a little more. Did you use any white teflon tape or pipe dope on threads??

 

[Missouri Bound]

Did you use any teflon tape or pipe dope on the threads?

You said where it screws into the wall. Is that IN the wall or sticking out of the wall? If you have a leak it will drip from one spot.
Condensation will most likely be on the valve as well.

And why did you replace the valve?

 

[dj3]

Which shut off valve did you install?
Compression or threaded?
What kind of nipple/stub do you have coming out the wall?
What kind of water supply connector did you install on the valve?

 

[Jerry8C]

Thanks to all for the quick response.

1. The reason the old valve was replaced was water leakage at the turn off handle.
2. I did use pink Teflon tape.
3. “In the wall comment” meant this:

There is a threaded pipe exiting the wall. The water valve screwed onto the pipe.

Now, this an update:

I decided to give the valve another “nudge.” To my surprise, it required more than a nudge. My guess is when I first tighten down the connection, I thought I had reached an end point. Obviously, I had not. It required at least two more full turns.

So, after the additional 2+ turns, my finger does not detect any moisture on it. Although I understand the condensation possibility, at this point it doesn’t seem evident.

So, I will monitor it and get back if I have additional input.

Regards,
Jerry

 

[Missouri Bound]

Glad you got it fixed.
I have found out the hard way that teflon tape isn't always the best choice.
Too much of it and it makes the fittings seem tight when they actually aren't.
Pipe dope (thread compound) makes the fitting go together much easier and allows the actual mechanical fit intended.

 

[SeniorSitizen]

Glad you got it fixed.
I have found out the hard way that teflon tape isn't always the best choice.
Too much of it and it makes the fittings seem tight when they actually aren't.
Pipe dope (thread compound) makes the fitting go together much easier and allows the actual mechanical fit intended.

I've found the opposite.










I have no idea how many wraps others apply but with 3-4 wraps of tape and tighten by hand as much as possible, i've cracked female 1 " female fittings with 2 short strokes of a pipe wrench when working in a ditch. Original white tape still works for me.


EDIT:EDIT:

 

[Old Thomas]

I have used both Teflon tape and pipe dope (not together). Overall I have better results with pipe dope. The primary purpose is to lubricate the threads so they don’t gall. Hence, Teflon is an ingredient.

 

[dj3]

Keep in mind that Teflon tapes differ in thicknesses.
Thin tapes require 5-6 times around, while thick tapes only 3 times.
I've used tape+dope for years, with excellent results.

 

[tom_poconos]

If I have a leak, or I have low confidence in a particular connection working first time, sometimes I use tape AND dope. The double whammy. Works first time, every time... sometimes :biggrin2:

Try the yellow gas rated tape. That's the good stuff.