Does the NSPC allow AAV's ?

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Rich B

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I live in a state that uses the NSPC.....
I have read some of the code about venting but don't see any reference about the use of an AAV device.
I live in an older home that was built with NO proper vent for most of the fixtures in the home.
I have corrected some of this by adding a new proper vent thru the roof for the second floor bathroom fixtures....
There is no way to add a proper vent for two kitchen sinks on the first floor or tie into either the original main stack vent or the new vent I installed.

I have installed AAV's for both kitchen sinks as I have no other option.......

Just wondering if this is would be accepted in this situation......
 

Rich B

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Thankyou nukeman............They are allowed and my installation meets the requirements........
 
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