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Thread: Water leak under bathroom sink
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10-01-2022, 10:38 PM #1New Member
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Water leak under bathroom sink
Does anyone know what the fitting in the picture is for? There is water coming from what appears to me to be some sort of vent. I have wiped the adjacent threaded fittings and the water is coming from the above fitting. I know the tubing is from the fresh water system, but this is a new problem that hasn’t been an issue until yesterday. Any help will be appreciated, I have attached a picture for representation sake.
Refinery Inspector in South Texas
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10-02-2022, 01:27 AM #2Rolling Along
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That might be the vacuum break on the black tank flush. Not sure.
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10-02-2022, 07:48 AM #3Site Team
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I would agree with @FlyStar's suggestion/guess. The vacuum breaker/backflow preventers are known to fail and leak. If that's what it is, higher quality units can be purchased at home improvement stores.
RobU.S. Army Retired
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10-02-2022, 12:13 PM #4Site Sponsor
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That is in fact the black tank flush vacuum breaker.
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