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Old 06-16-2008, 03:39 PM   #1
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bathtub drain in concrete - tail pipe questions


i am setting my bathtub in a concrete basement apartment.

got an expensive brass drain assembly by gerber ($75-ish).

Q1: should i use a regular tail adapter between it and the P-trap ? if so, should i use one with or without a tapered washer ? i noticed they have the kind on which the female part is spaced to allow for a washer in between it, the tail pipe, and the male, as well as those with a female part that cannot fit a washer.

Q2: also, does the washer act as a gasket ? this will all be buried, oh by the way

Q3: how do i test that the connection between the tail pipe and the adapter does not leak under a big discharge (tub full of water being released) when the tub has an apron - cannot see the drain ?

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Old 06-16-2008, 09:52 PM   #2
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bathtub drain in concrete - tail pipe questions


Why not pipe it with all glue joints?

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Old 06-16-2008, 10:57 PM   #3
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bathtub drain in concrete - tail pipe questions


x2 on ron's post. Take that brass assembly back if it's going to be buried anyhow. Total waste of money.

As for testing, usually test before sheetrock goes on, so that you can see.
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Old 06-17-2008, 11:08 AM   #4
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bathtub drain in concrete - tail pipe questions


it is not the sheetrock that obstructs view, it is the tub ityeslf as it has an apron on it and the other long side is against a wall of the house, not inner drywall.

so go with all PVC drain if it is buried, you're saying ?
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Old 06-17-2008, 12:39 PM   #5
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bathtub drain in concrete - tail pipe questions


Quote:
Originally Posted by Ron The Plumber View Post
Why not pipe it with all glue joints?
because the drain is brass.
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Old 06-17-2008, 10:42 PM   #6
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bathtub drain in concrete - tail pipe questions


I don't know what your drains are plumbed with... this is obviously ABS, and I'm sure they make them in PVC also. These are ~12 ish, instead of ~75 ish. They glue completely together, so you won't have adapters that can leak later....

http://www.azpartsmaster.com/Product...BS__3041A.aspx

As far as testing when you're against an exterior wall..... I don't know. We would have told the builder that we were flipping the tub, and put the drain on an interior.
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Old 06-17-2008, 10:47 PM   #7
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bathtub drain in concrete - tail pipe questions


Quote:
Originally Posted by amakarevic View Post
because the drain is brass.
You can still use all glue joints below the bass W/O assembly, screw on a female adaptor on the bottom of the brass tee, and take it from there.
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Old 06-17-2008, 10:50 PM   #8
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bathtub drain in concrete - tail pipe questions


I wouldn't even use the brass at 75 bucks if it's buried next to an exterior wall and behind an apron....... those seem like something you'd use on a clawfoot.

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