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Air Break

Posted by Raymond VinZant Plm Prof on February 20th, 2003 06:04 PM
In reply to air gap by tomh on February 20th, 2003 02:57 PM [Go to top of thread]

Air gap appurtenances are required in some states. I typically install them into the inlet of a garbage disposal, or through a wye tailpiece above the trap under the kitchen sink. The reason its done this way, is so you can tell if you have a backup (it comes up in the sink basin). If it goes into a trap in the ceiling, you may have damage done without knowing it. The reason it runs up high under the sink counter before it runs into an air break, is so backup from the main soil line will come up in the sink or other fixtures, before it comes up into the dishwasher.
Good Luck

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