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Old 05-30-2013, 01:59 AM   #1
snrusnak
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Default snrusnak's shower remodel

Hi all. First of all, thanks in advance!

I'm NOT a plumber, but have a fair grasp on the job.

I am redoing our master shower. I bought and installed a glacier bay shower valve. My house is plumbed with 1/2" cpvc. I bought all the fittings and plumbed it tonight and when I turned the water on I had a fast drip from the cold side and slow drip from the hot side. I was told or read somewhere that the all plastic threaded fittings are not as good as the composite(plastic/metal) threaded fittings due to different rates of expansion with hot pipe, so I bought the composite metal/plastic threaded couplers. I thought I was doing the "right" thing, now I'm not sure if I used the correct fittings.

I used thread tape and finger tightened the fittings then gave about another half turn with a wrench. Both leak. Here's some pics:





You can see the drips in the last pic. I'm wondering if I'm using the wrong type fittings? I think they say "FTP" or something like that on them, which I have no idea what that means. I just thought nothing of it, but now am wondering if it's to adapt to a different type of pipe or something.

I cut and capped the pipes for now, but need to finish the job. I bought these fittings as recommended by the guy at home depot, but don't know that they are the right fittings for the job(I don't think most of those guys no any more than I do). Here's a pic of the fittings:





It has a rubber washer. I don't know if that's good or not, I'd think it's bad to use anything rubber in an inaccessible area due to the fact it will eventually fail.

Any help on what fittings I should use, or what I'm doing wrong? Thanks all.

Also, I read some really bad reviews on glacier bay products. Something about the internals of the valve not being up to par, or being old technology. I have this:

http://www.homedepot.com/p/Glacier-Bay-Builders-Single-Handle-Tub-and-Shower-Faucet-in-Brushed-Nickel-F1AA4535BNV/100644762?N=n7Z12l2#.UaaxdUDVD5A

Any insight? I've already installed it and basically plumbed it. I don't want to have major issues in 1 year though. I read some reviews and it seemed like an ok product.



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Old 05-30-2013, 02:43 AM   #2
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Don't use those all plastic females. You used the correct fittings the first time. I would say you failed to tighten them enough. Redo it again using the brass females but use two wrenches when tightening them. You're working with brass on brass and they need to be tight. Use two wrenches when tightening them, one to tighten the other to hold back. The problem with the plastic females is overtime they have been known to split.



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Old 05-30-2013, 02:49 AM   #3
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I try to steer customers away from Glacier Bay products. Some of their stuff that I have worked on is pretty cheesy.

The fittings that you originally used are the correct ones, that is FIP, an acronym for Female Iron Pipe. 1/2 turn with a wrench is not nearly enough, they need to be fairly tight to compress the tape into the threads enough to seal. I personally use some pipe dope on top of the tape, but that preference causes long debates with some other plumbers.

Do not use the plastic female adaptors, you are asking for problems there.

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Old 05-30-2013, 02:49 AM   #4
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Ok thanks for the response. Do you think I should use teflon alone, or teflon plus pipe dope? I have both here at the house.

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Old 05-30-2013, 02:52 AM   #5
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Thanks to you both. I typically over do and over tighten things, so I held back. Well maybe that bit me this time haha. I guess I'l be making yet another trip to the store but that's ok.

As far as the glacier bay thing, I read that they use "ball type" internals which are out dated. Or something like that. The box says "drip free ceramic cartridge maintenance free". I'm hoping this is good and it's not a horrible product(even if they might have a bad name).

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Old 05-30-2013, 03:32 AM   #6
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Another question... Does the PVC/cpvc glue go bad after time? The glue I'm using is an all purpose PVC/cpvc glue. It is at least a couple years old. It's not leaking. But it just occurred to me it might be an issue. I recall when I used to use it the excess glue on the outside of the pipe/fittings would harden. The excess on the pipes I did several hours ago is mushy. Thanks. Sorry I'm typing on a phone.

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Old 05-30-2013, 12:16 PM   #7
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Why take the chance get a new can.

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Old 05-30-2013, 12:53 PM   #8
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Will do. I already glued the other pipes below together, that's why I ask. I'm wondering if I should redo everything I've glued with that can. It's only a few dollars in fittings.

Is there a difference between the "all purpose" clear glue that I'm using vs. the yellow glue that I see was used when the house was originally plumbed? If one is better than the other I'll be sure to buy the better stuff when I buy a new can.

I recall when I did some plumbing with my dad(had a pool plumbing business for a few years) we used a cleaner, then primer, then glue on the pvc. I can't even find cleaner on the shelves anymore. So do they just use primer then glue now? What I used when I did this is cleaner/primer in one(says ok for cpvc) then the all purpose glue(says ok for cpvc). These are old cans though, at least 3 or 4 years old.

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Old 05-30-2013, 02:25 PM   #9
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Primer is used on PVC the glue that is most used for CPVC is Flowgard Gold. No primer needed.



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Old 05-30-2013, 02:37 PM   #10
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Great thanks. I'll pick up a can of that along with the new fittings and redo it all. I won't use the primer then. Weird, the primer says for use on pvc/cpvc. I wonder why it says that if it's not needed for the cpvc.

I appreciate all the help.

Where in melbourne are you? I grew up in melbourne(went to satellite beach high school).



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