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Q: So can this vent inside a basement with no odor? We bought a house that has zero roof vents. Can this be used in place of those?

Don't think I 'd iinstall it in the basement. It needs to be above the fixture(s) that it vents. I've used smaller AAVs for indivuaul fixtures and placed them under the cabinet/sink or in the wall. The larger AAVs are desgined to handle several fixtures and replace the need for a large vent that penetrates the roof. These I've placed in the attack (below the roof but inside the building) and have not had any problems.

Q: How long does one of these last until it needs to be replaced? Is there a way to tell if it has failed besides escaped sewer gas smell?

Package shows limited lifetime warranty. I assume when you smell sewer gasses, it has failed, but I really don't expect it to fail. All I know, is that it works and so far, I'm very pleased with the performance.

Q: Does it come with a push-fit connector donut (wide o-ring) for connecting to inside of 4" pipe? Shown on spec sheet, but not for item.

No… just the item. Fits inside 4” sch 40 PVC coupling or 4” Fernco rubber coupling

Q: Is it acceptable to use a rubber boot?

This goes INSIDE the attic. No boot needed.

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🚀 Elevate your plumbing game with the Maxi-Vent — where efficiency meets reliability!

CERTIFIED RELIABILITY - Meets ASSE, NSF, IAPMO, and ITS standards ensuring top-tier performance and safety.
HIGH CAPACITY VENTING - Handles up to 500 Drain Fixture Units, perfect for large-scale plumbing systems.
COMPACT DURABLE DESIGN - Lightweight ABS plastic construction with a limited lifetime warranty for long-lasting peace of mind.
UNIVERSAL PIPE COMPATIBILITY - Seamlessly fits both 3" and 4" vent pipes for versatile installation.
EFFORTLESS PRESSURE REGULATION - Smart air admittance balances pressure to prevent sewer gas intrusion and maintain system integrity.

The Studor 20302 Maxi-Vent is a high-performance air admittance valve designed for 3" to 4" pipes, supporting up to 500 DFUs. Constructed from durable ABS plastic and certified by multiple industry standards, it ensures efficient pressure regulation and prevents sewer gas entry. Ideal for professional-grade plumbing systems in offices, factories, and large buildings, it offers a compact, reliable solution backed by a limited lifetime warranty.

Have a Question? See What Others Asked

So can this vent inside a basement with no odor? We bought a house that has zero roof vents. Can this be used in place of those?

How long does one of these last until it needs to be replaced? Is there a way to tell if it has failed besides escaped sewer gas smell?

Does it come with a push-fit connector donut (wide o-ring) for connecting to inside of 4" pipe? Shown on spec sheet, but not for item.

Is it acceptable to use a rubber boot?

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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The delivery time was excellent, and the packaging was secure.

2 months ago

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Brand	Studor
Model Number	GIDDS-301050
Product Dimensions	8.89 x 8.89 x 15.24 cm; 249.48 g
Color	white
Material	Abs, Plastic
Included Components	IPS STUDOR MAXI Vent
Item Weight	249 g

Studor 20302 Maxi-Vent 3" to 4" Air Admittance Valve

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