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Old 3/18/10, 6:55 PM
jrider jrider is offline
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Default Loud suction when draining the bathtub
Just did an inspection on a remodeled house where the bathtub makes a loud suction sound when it is being drained. No way to see if there is a 's' trap. Bathtub is upstairs. Roof above bath has a 4 inch vent that I would assume the tub is vented to. My concern is potential siphoning from fast venting. Any ideas what else would be causing this? Thanks!

Jason
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Old 3/18/10, 7:16 PM
Jeffrey R. Jonas's Avatar
Jeffrey R. Jonas Jeffrey R. Jonas is online now
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Default Re: Loud suction when draining the bathtub
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Originally Posted by jrider View Post
Just did an inspection on a remodeled house where the bathtub makes a loud suction sound when it is being drained. No way to see if there is a 's' trap. Bathtub is upstairs. Roof above bath has a 4 inch vent that I would assume the tub is vented to. My concern is potential siphoning from fast venting. Any ideas what else would be causing this? Thanks!

Jason
Role #1... NEVER ASSUME !!!

Actually, the few experiences I have had with a similar 'noise' was NO venting. The noise was from the drain 'sucking' air through the drain.
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