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Author:
NickN (OR)
I recently purchased an older beach house and have started some remodeling. While tearing back some drywall in the upstairs bathroom, I discovered that the shower stall is not vented. I'd like to install an auto vent, but I am a little unclear as to how/where I should put it.
The trap is in the floor between the first floor and second floor. From there, the drain runs a few feet (4 feet) to the main "sewer stack" (sorry not sure if that is the correct term).
My understanding is that these vents can wear out over time and its best to have them in an accessible location (ie not under the shower stall inside a wall). Can I just run some piping off the drain pipe (past the trap) to an accessible place in the wall in the bathroom on the second floor?
Thanks in advance.
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Author:
m & m (MD)
Your shower may be fully and properly vented the way it is even though you do not see an individual vent nearby.
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Author:
hj (AZ)
In the first place, you do not even know IF the drain is vented. It can be vented without a separate riser pipe.
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Author:
NickN (OR)
I can see from the shower drain all the way to to where it ties into the main sewer drain. There is no venting any where along that run. What would I look for to indicate that it is vented?
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Author:
bernabeu (SC)
it may be 'wet vented' by another fixture drain
we would need to see a pic of ALL the piping
==============================================
"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638
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Author:
Wheelchair (IL)
I would begin with looking on top of the roof, for a plumbing vent pipe. Then work backwards to the fixture.
Best Wishes
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Author:
hj (AZ)
That by itself is still not an indication that it is not vented.
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Author:
packy (MA)
hey, if it has been in for decades and you are not getting sewer smells due to trap syphonage, why worry.
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