Oatey® Sure-Vent® 1.5 in. – 2 in. 160 Branch, 24 Stack DFU Air Admittance Valve with PVC Schedule 40 adapter Brand_Culligan using an energy-saving thermost

using an energy-saving thermost

Buna-N double O-ring packing with non-rising stem

this filter housing features a pressure relief button used at cartridge change time

For use with DWV systems

Zinc plated

Oatey® Sure-Vent® 1.5 in. – 2 in. 160 Branch, 24 Stack DFU Air Admittance Valve with PVC Schedule 40 adapter Brand_Culligan using an energy-saving thermostThe Oatey Sure Vent 1. 5" 2" 160 Branch, 24 Stack DFU Air Admittance Valve with PVC Schedule 40 adapter is a one way valve designed to allow air into the plumbing drainage system when negative pressures develop in the piping system. Superior engineering along with stringent quality standards ensure unmatched performance. Oatey products have earned the trust of plumbing professionals for over 100 years. For use as a secondary vent PVC Schedule 40