Durgo Air Admittance Valves
Faster. Better. Smarter.
Air Admittance Valves (AAV) provide an acceptable means for ventilating a plumbing drainage system without venting through the roof or to open atmosphere. AAVs ensure that no sewer gases or liquids will enter the building through the valve.
The AAV closes by gravity, sealing at zero-differential pressure and remains closed under positive internal pressure (back pressure). It opens under negative pressure to allow proper drainage to occur without siphoning of fixture traps.
AAVs are offered with adapters in three different sizes to handle all applications.
Junior: Perfect for horizontal runs in residential applications.
Senior: Great for stack or branch systems.
US90 3″: For large or commercial requirements.
Wall Box and Louver offers a recessed clean look for AAVs in visible locations.
Code Approvals:
Manufactured in compliance with ASSE 1051, ASSE 1050 (Except Durgo Jr.)
Installation shall be in accordance with local code requirements
Product Chart
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Durgo Senior 1 1/2” - 2” w/ White ABS Adapter (20 DFU) | Item #: P-3700 |
Durgo Senior 1-1/2" - 2" w/ PVC Adapter (20 DFU) | Item #: P-3701 |
Durgo Junior 1-1/2" - 2" w/ White ABS Adapter (20 DFU) | Item #: P-3702 |
Durgo Junior 1-1/2" - 2" w/ PVC Adapter (20 DFU) | Item #: P-3703 |
Durgo US90 3" | Item #: P-3704 |
AAV Wall Box w/ Louver Faceplate | Item #: OBAV-200 |
AAV Wall Box w/ Louver Faceplate & Durgo Jr 1-1/2" - 2" w/ White ABS Adapter | Item #: OBAV-3702 |
AAV Wall Box w/ Louver Faceplate & Durgo Jr 1-1/2" - 2" w/ PVC Adapter | Item #: OBAV-3703 |
White AAV Wall Box Louver Faceplate, ACCESSORIES / REPLACEMENT PARTS | Item #: P-00961 |
ACCESSORIES / REPLACEMENT PARTS: 1-1/2" White ABS Adapter | Item #: P-3705 |
ACCESSORIES / REPLACEMENT PARTS: 1-1/2" PVC Adapter | Item #: P-3706 |