---
product_id: 264467091
title: "Studor 20342 Maxi-Vent Air Admittance Valve with Push-Fit Rubber Connector, 3- or 4-Inch Connection"
brand: "weld-on"
price: "€ 126.30"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/264467091-studor-20342-maxi-vent-air-admittance-valve-with-push-fit
store_origin: IE
region: Ireland
---

# Prevents foul air Vermin protection Ventilation capacity Studor 20342 Maxi-Vent Air Admittance Valve with Push-Fit Rubber Connector, 3- or 4-Inch Connection

**Brand:** weld-on
**Price:** € 126.30
**Availability:** ✅ In Stock

## Summary

> 💨 Breathe Easy with Maxi-Vent!

## Quick Answers

- **What is this?** Studor 20342 Maxi-Vent Air Admittance Valve with Push-Fit Rubber Connector, 3- or 4-Inch Connection by weld-on
- **How much does it cost?** € 126.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/264467091-studor-20342-maxi-vent-air-admittance-valve-with-push-fit)

## Best For

- weld-on enthusiasts

## Why This Product

- Trusted weld-on brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **📏 Versatile Fit:** Compatible with both 3-inch and 4-inch piping for flexible installation options.
- • **🔒 Secure & Reliable:** Gravity-operated seal automatically closes to maintain water traps and prevent odor circulation.
- • **🛡️ Bug-Proof Design:** Exclusive vermin protection system keeps your space free from unwanted pests.
- • **🚀 Elevate Your Ventilation:** Maxi-Vent ensures optimal air flow while keeping unpleasant odors at bay.
- • **🌡️ Extreme Temperature Tolerance:** Operates efficiently in temperatures ranging from -40°F to 150°F.

## Overview

The WELD-ON Studor 20342 Maxi-Vent Air Admittance Valve is designed to enhance drainage system ventilation while preventing foul odors and maintaining water seals. With a capacity of up to 500 DFUs, it features a push-fit rubber connector for easy installation, vermin protection, and operates effectively in extreme temperatures.

## Description

Studor 20342 Maxi-Vent Air Admittance Valve with Push-Fit Rubber Connector, 3- or 4-Inch Connection

## Features

- Maxi-Vent air admittance valve with push-fit rubber connector creates ventilation that prevents the release of foul air from the drainage system and loss of water seals in traps
- Designed for use as an individual, branch, circuit, or stack vent; capacity of up to 160 DFUs (drain fixture units) on a branch and 500 DFUs on a stack
- Uses gravity to automatically close seal and prevent circulation of unpleasant bathroom or drain odors; exclusive vermin protection system keeps out bugs and foreign objects
- Fits 3- or 4-inch piping; complies to ANSI/ASSE 1050 and 1051; temperature rating of -40°F to 150°F (-40°C to 65.6°C); this style air admittance valve is not recognized as a mechanical vent in the International Building Code
- Screening on the inside and outside of the Maxi-Vent protects the sealing membrane from foreign objects

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00FQEX5CU |
| Best Sellers Rank | #95,373 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #84 in Relief Valves #487 in HVAC Ducting |
| Date First Available | October 3, 2013 |
| Department | department |
| Is Discontinued By Manufacturer | No |
| Item Weight | 4.5 ounces |
| Item model number | 20342 |
| Manufacturer | IPS Corporation |
| Product Dimensions | 3.5 x 3.5 x 6 inches |

## Images

![Studor 20342 Maxi-Vent Air Admittance Valve with Push-Fit Rubber Connector, 3- or 4-Inch Connection - Image 1](https://m.media-amazon.com/images/I/81s8ECO2DsL.jpg)

## Questions & Answers

**Q: does the unit come with the rubber connector? It does not show in the photos and no mention in the description.**
A: The Studor Maxi-Vent I purchased did come with a heavy rubber "adapter" for 4" ( 4"OD) fits hub or coupling. The unit itself is 3" OD, fits 3" hub or coupling. I have used many mini vents and this one works as well or better.

**Q: I want to install it under a wooden deck over a flat roof. How much height is the minimum required to install it?**
A: Carlos , I can't measure the vent as it was installed at a vacation home, but if I remember correctly the vent itself is at least 6", top to bottom, and then add any other fittings , pipe , etc. Sorry I could not be more precise. I used it in the crawl space and with a 3" elbow in a horizontal pipe ,it took up about 13". Carlos, just estimating here, so use your judgment on your project. Good luck! PS the vent works as advertised!!

**Q: Does it come with a donut (or wide o-ring) for connecting to inside of 4" pipe? Female for the vent, male for the pipe?**
A: No. If I remember correctly. I used a 3 inch fernco coupling t connect it to the pipe. 
It is same O.D. as 3 inch pvc.

**Q: Does it require any unclipping or adjusting before you install or just put it up?**
A: It slips right onto the end of your PVC pipe. No adjusting.  I removed my old one and slipped this one on in it's place.

## Frequently Bought Together

- Studor 20342 Maxi-Vent Air Admittance Valve with Push-Fit Rubber Connector, White
- Studor 20341 Mini-Vent Air Admittance Valve with PVC Adapter, 1-1/2- or 2-Inch Connection
- Studor 20302 Maxi-Vent 3-Inch to 4-Inch Air Admittance Valve

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-07*