The Oatey Sure-Vent 1.5" 20 Branch, 8 Stack DFU Air Admittance Valve with Black Tubular Adapter is a one-way valve designed to allow air into the plumbing drainage system when negative pressures develop in the piping system eliminating the need to tie into a stack vent. Superior engineering along with stringent quality standards ensure unmatched performance as a secondary vent. Oatey products have earned the trust of plumbing professionals for over 100 years. Oatey products can be found in residential and commercial applications and have achieved excellent brand name recognition with consumers. All products are backed with the highest quality technical and customer support programs in the industry

• Complies to ASSE standard 1050 and 1051
• For use as a secondary vent
• One size approved to handle up to 2 inch vent pipe
• Sure-Vent Air Admittance Valve - 6 DFU with Tubular Adapter
• Sure-Vent Air Admittance Valve - 6 DFU with Tubular Adapter

Weight	0.3 lb
Connection Size	1-1/2 in.
Finish	Black
Height	2.91 in.
Horse Power	1/3
Length	10.20 in.
Type	Air Admittance Valve
Width	6.57 in.
Inventory Number	CHEM39226
MPN	39226