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    dcs932's Avatar
    dcs932 Posts: 5, Reputation: 1
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    #1

    Nov 23, 2008, 02:51 PM
    Basement sewer smell from Studer vent
    We have been noticing a smell coming from the basement and have been trying to find it for some time. I was above the basment ceiling today and noticed 2 studer vents in the space. I went to one vent and did not smell anything. I went to the other vent and smelled the foul smell. Do studer vents go bad or is it normal to be able to small gas from them. It seems to be well secured to the PVC pipe and is not loose. The house is 7 years old. I understand they are supposed to help equal the pressure where a real vent can not happen but I did not think I would smell gas from it. IS there something wrong with this. IS the new wasking machine, front loader putting too much pressure on it. If this is faulty how do I know what size to replace it with and is it easy to replace. I know Lots of questions but I would appreciate the opinions and feedback
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Nov 23, 2008, 03:21 PM
    A Studor Vent's,(see image) considered one of the better AAVs. But like all things mechanical they can go bad and must be replaced.
    It seems to be well secured to the PVC pipe and is not loose. If this is faulty how do I know what size to replace it with and is it easy to replace.
    . It's probably two inch and it's glued onto the pipe and will have to be cut off. You will need to purchase a new AAV along with PVc cement and primer.
    IS the new wasking machine, front loader putting too much pressure on it.
    Your washer had nothing to do with the AAV going bad.
    I wouldn't let this slide. Sewer gas is a health hazard to your family. Good luck and thank you for rating my reply, Tom
    dcs932's Avatar
    dcs932 Posts: 5, Reputation: 1
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    #3

    Nov 24, 2008, 01:08 PM

    Thanks for the reply. I did as you recommended and replaced the Studor / AAV vent today and there is no more smell coming from the vent. I was lucky as this was apprently installed with a previous threaded device and all I haad to do was unscrew the old one, use some tube tape on the new one and screw it in. I guess I wait for the other one to fail as I do not have a close by exhaust pipe to send the gas out
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