Studor - 20302 - Maxi-Vent 3-Inch to 4-Inch Air Admittance Valve … Features_On-Surface this rotor delivers uniform coverage

this rotor delivers uniform coverage with large

1-1/4" discharge — standard high-pressure sewer connection

It is identified for the Infinity Series XL

813 inches

control method

Studor - 20302 - Maxi-Vent 3-Inch to 4-Inch Air Admittance Valve … Features_On-Surface this rotor delivers uniform coverageBrand: STUDOR by IPS Corporation Manufacturer Part Number: 20302 Big Frog Supply SKU: 20302 Product Overview The STUDOR Maxi Vent 20302 is an air admittance valve for compatible 3 inch and 4 inch drain, waste, and vent systems. It can serve as an individual, branch, circuit, or stack vent where approved by the applicable plumbing code. When a fixture discharges and creates negative pressure in the drainage system, the one way valve opens to admit air.