Studor - 20302 - Maxi-Vent 3-Inch to 4-Inch Air Admittance Valve … Material_Fireclay Flow Rate: Up to 25

Flow Rate: Up to 25 GPM

Mount the cabinet where it remains accessible for programming and service

Adjustable High-Flow Shower Arm

The K-Rain 7115 is a 1½-inch female NPT ProSeries 150 electric irrigation valve for medium- to high-flow landscape zones

This model is not expandable beyond its four fixed stations

Studor - 20302 - Maxi-Vent 3-Inch to 4-Inch Air Admittance Valve … Material_Fireclay Flow Rate: Up to 25Brand: 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.