Description
An air admittance valve allows a drainage system to drain properly when it is impractical to connect to the plumbing vent system. The valve is normally closed to prevent sewer gases from entering the building.
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$54.99 Original price was: $54.99.$16.49Current price is: $16.49.
An air admittance valve allows a drainage system to drain properly when it is impractical to connect to the plumbing vent system. The valve is normally closed to prevent sewer gases from entering the building.




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