Studor 20302 Maxi-Vent 3-Inch to 4-Inch Air Admittance Valve
Key features
- •For use with: Venting Single Fixture, Individual Branch, Circuit Vent Or Stack Type Application Up To 500 DFU
- •Material of Construction: ABS Plastic
- •Standards: ASSE Performance Standard 10510 And 1051, NES-592, NSF Standard 14, IAPMO, File No C-3803, ITS Intertek Testing Services
Studor 20302 Maxi-Vent 3-Inch to 4-Inch Air Admittance Valve
List Price: $90.61$81.55DEALYou Save: $9.06 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 23, 2026In Stock (10)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
Customer Reviews
Reviews sourced from verified Amazon purchasers4.3
out of 5
Based on 10 reviews
5★
90%
4★
10%
3★
0%
2★
0%
1★
0%
Best product to keep sewer gas out.. install takes seconds
clement lehman•August 9, 2017
The product is amazing it has a rubber gasket attached to it that fits over a 3-inch pipe or slides into a 4-inch pipe. I had a different brand put on last year when there was a lot of pressure it released a gas smell. And the other one went bad and I could not get the gas smell out of my basement that's sewer gas. I put this on yesterday came down this morning to the basement it smells fresh and clean with no sewer gas. I am excited to have this product well worth the money.
I have attached the studor photo... and the competitors that does not work
I have attached the studor photo... and the competitors that does not work
Five Stars
Amazon Customer•June 7, 2017
excellent product fit as expected
Works great. Have been using on an outside vent stack ...
Sarah•May 20, 2017
Works great. Have been using on an outside vent stack to keep sewage odors from blowing into the front yard. I have not smelled anything since I put it on. Easy fix.
The installation was a breeze. We had stench coming ...
Jason Michel•December 3, 2016
The installation was a breeze. We had stench coming from our vent stacks on the roof. The problem was immediately solved by installing these vents.
Works perfectly, and so easy to install.
steel maker•December 2, 2016
I put it on a 4" air vent stack. It works flawlessly.
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