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- Oatey® Sure-Vent® 20 DFU Capacity Air Admittance Valve's one-way valve allows air to enter the plumbing drainage system when negative pressures develop in the piping system.
Oatey® Sure-Vent® Air Admittance Valve, 1-1/2 to 2 in Nominal, NPT, -40 to 150 deg F, 20 DFU, 2.46 in Inlet to Outlet Length, PVC Body, 4.53 in H
- For use as a secondary vent
- One size approved to handle up to 3 in vent pipe
- Opens/closes as needed by building's plumbing system
- PVC with 2 in NPT threads valve
- Neoprene tension membrane
- 1-1/2 x 2 in PVC or ABS adapter
- Rated 20 DFU's for venting DWV 2 in and smaller
- 1-1/2 to 2 in valve
- Body MaterialPVCEnd StyleNPTFlow Rate20 DFUNominal Size1-1/2 to 2 inDimensions4.53 in HInlet to Outlet Length2.46ManufacturerOATEYManufacturer #39238Temperature Rating-40 to 150 deg F