Kerdi Pipe Seal

2224 Views 4 Replies 2 Participants Last post by XSleeper, Jun 24, 2020

Jamesonc

Discussion Starter · Jun 24, 2020

The mixing valve seal makes sense to me. The one on the left which is meant for the plumbing where a shower head is does not make sense, at least to me.

I have two of their seals here, the 1/2 inch and the 3/4 inch. They are clearly for copper pipes or any rough plumbing that is no larger than 1/2 or 3/4.

A shower arm is not going to connect to that pipe.

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Jamesonc

Discussion Starter · #3 · Jun 24, 2020

I'll be playing the role of the plumber. This is what I have done so far. Will this work?

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Jamesonc

Discussion Starter · #4 · Jun 24, 2020

XSleeper said:
45 degree shower elbows are generally 1/2" npt pipe (that measures .84" o.d.) so the pipe that is stubbed out should be a 1/2" galvanized nipple (.84" o.d.) with a cap. That way whoever the plumber is, he can simply unscrew the nipple from the female drop ear 90 fitting that was roughed in and screw the new 1/2" shower head 45 elbow into the drop ear fitting.

You're saying it's a temporary piece of plumbing? Once everything is said and done, remove it and put your finished elbow and shower head on? If that's the case, it makes sense.

However the 1/2 inch elbow does not fit into the half inch seal. It fits in the 3/4 inch seal but it's not a tight fit.

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Kerdi Pipe Seal

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