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Old 10-19-2011, 10:19 PM   #16
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brass end cap on brass nipple leaking


Brass and fittings in general are getting worse both in composition and machining. Sometimes even just tightening more can make things worse. A sheared off nipple in you're shower ell can ruin your day. Personally, I wrap 3-4 wraps of teflon, then use some paste sealant be it either TFE or rectoseal on top of the tape.

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Old 11-03-2011, 08:49 PM   #17
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brass end cap on brass nipple leaking


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Brass and fittings in general are getting worse both in composition and machining. Sometimes even just tightening more can make things worse. A sheared off nipple in you're shower ell can ruin your day. Personally, I wrap 3-4 wraps of teflon, then use some paste sealant be it either TFE or rectoseal on top of the tape.
Yes, my thoughts exactly. I pulled off an end cap, replaced it with an identical one from the store and it was a slightly better fit. The original end cap was ever so slightly out of round (oval) and I could feel it when I hand tightened.

Using the paste sealant over top the teflon is a great suggestion.
Thanks.

One thing I hate is the cheap curved shower arms. How am I supposed to get the cement board over it when I'm using a single 8 foot long sheet. I think I'm going to have to replace the nickle plated shower arm with a straight brass nipple. There must be a solution. I'm not about to cut the cement board in half.

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Old 11-03-2011, 09:13 PM   #18
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brass end cap on brass nipple leaking


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One thing I hate is the cheap curved shower arms. How am I supposed to get the cement board over it when I'm using a single 8 foot long sheet. I think I'm going to have to replace the nickle plated shower arm with a straight brass nipple. There must be a solution. I'm not about to cut the cement board in half.

thanks
Brian
You don't install the curved shower arm until later. You use a simple 1/2" black pipe about 6" long.
I don't install the finished piece until the tile is grouted.
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Old 11-04-2011, 08:25 AM   #19
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brass end cap on brass nipple leaking


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You don't install the curved shower arm until later. You use a simple 1/2" black pipe about 6" long.
I don't install the finished piece until the tile is grouted.

Now that I'm getting into the nitty gritty of plumbing, I see there are a lot of variables which can lead to problems 5 years down the road. No wonder the plumbers around here are always busy. Toothpick houses are built worry free for 5 years, after that, it's time to sell or repair.

Black pipe is for gas. The problem with installing the shower arm last is that you are screwing it in blind. How are you supposed to see a microscopic drip behind the tile, the mortar, and the kerdi. Maybe I'm just a stupid DIY guy with no experience, but it doesn't make sense. I know this is how it's done, but I just can't get myself to do it this way. Too much guesswork riding on the teflon, the dope, and how much I tighten or overtighten the shower arm.

After all this hard work, to screw in a shower arm with teflon tape, lick my finger and hope it's a perfect connection behind the wall doesn't sit well with me.

I'm going to look for a straight shower arm, chrome plated brass, I guess. Then use a ball swivel for the shower head.

Or alternatively use a brass nipple set 1/2" from the finished tile, and find a shower head that is compatible with a male thread. Kohler makes one.

I might even solder the brass nipple to the female rough-in. I'm starting to hate teflon and pipe dope. Teflon and pipe dope behind a finished and completed wall just doesn't make sense to me.
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Old 11-05-2011, 07:10 AM   #20
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brass end cap on brass nipple leaking


You are just getting frustrated it sounds like. Teflon tape with the teflon paste also applied will never leak. And if it did have a micro leak as you put it, then you may get 2 or 3 drops every time the shower is used and the flow is restricted or shut down at the shower head. Normally there is not enough pressure to force a leak that close to an open shower head.

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