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Author:
taylr (OK)
New user here. Looking to buy a house (down-sizing) and went to look at it yesterday. Saw what looks like a studor valve on top of the outside vent pipe. Any idea why?
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Author:
steve (CA)
It might be a charcoal filter for odor control.
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Author:
mr leak (CA)
If in fact it is a plumbing vent pipe going up outside rather than thru the roof it is not needed as the studor vent is a mechanical
l device used to prevent sewer gasses from entering the house and the pipe is already up and outside.
These are not allowed in many jurisdictions because they can fail
HOWEVER my main concern as a home inspector would be if someone did this studor vent then what else was done wrong that you cannot see
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Author:
packy (MA)
that is not a fair assumption... there could have been a bad sewer smell coming from that pipe and someone (right or wrong) attached a device to abate the smell. was it a cheap fix? yes it was.
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Author:
taylr (OK)
The present homeowner said it was a trap to prevent rain going down the vent but didnt explain why. In what instance would someone do that, if the rainwater would eventually go to the san sewer?
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Author:
KCRoto (MO)
I don't doubt that they told you that, but I would find it more plausible that they don't want kids dropping stuff inside, to stop smells, or similar. All vents on roofs are open for two way air flow, and rain doesn't pose a problem.
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