NPT vs slip fit diverter handle spout

leorob · Oct 16, 2009

I will be installing a Kohler 3 handle shower/tub Valve (K-303-K).
I have a choice of NPT or slip fit hardware. (K-T15231-4S or K-T15231-4).

I need help in deciding between the NPT and the slip fit.
Pros and Cons of each?

Thanks

Jadnashua · Oct 16, 2009

It's much easier to get the slip-fit unit to snug up to the wall, and should work fine. But, if you use copper and tighten the set screw too tight, you can bend the pipe and give you grief later on.

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hj · Oct 17, 2009

spout

slip fit is easier to install and replace, IF the pipe is absolutely square to the wall. Otherwise you will always have a gap somewhere.

NPT vs slip fit diverter handle spout

leorob

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Jadnashua

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hj

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