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Thread: AAV code
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07-22-2009, 10:11 AM #1
Dylan Shoop Guest
AAV code
The plumber on a new construction told me that there was no height requirement for the AAV on the kitchen island. Just accessibility. I believe its 4 in. above the fixture drain and/or 4 in. above the horizontal branch drain. Right or wrong?
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07-22-2009, 10:23 AM #2
Michael Garrity Guest Re: AAV code
You are right
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07-22-2009, 02:04 PM #3
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Re: AAV code
4" above the weir of the trap.
Originally Posted by Dylan Shoop
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07-22-2009, 03:01 PM #4
Richard Moore Guest Re: AAV code
Just to clarify...it's a minimum of 4". More is OK.
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07-22-2009, 05:45 PM #5
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Re: AAV code
Correct. Originally Posted by Richard Moore
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