Workhorse 8 DFU Capacity Air Admittance Valve Installation Kit For DWV Systems With Tubular Adapter Vent Up To 20 DFU Branch Or 8 DFU Stack Includes AAV P Trap 6 In Extension Tube PVC Threaded Adapter And Deep Box Flange White

Air Admittance Valve Install Kit for DWV, 20 DFU Vent
✔️ Single kit with AAV, P-trap, 6 in extension, PVC adapter

This air admittance valve (AAV) installation kit provides a one-way vent option for drain-waste-vent (DWV) systems. It can substitute a second vent in many residential applications, especially where outdoor venting is difficult to install.

✅ Vent capacity up to 20 DFU branch or 8 DFU stack
✅ Includes AAV, P-trap, 6 in extension (152.4 mm), PVC threaded adapter, and deep box flange
✅ One size fits up to 2 in vent pipe (50.8 mm)

💡 What is an air admittance valve installation kit used for in DWV systems? A handy, cost-saving venting option that lets air into the drainage system to balance pressure and prevent sewer gases without outdoor vents.
- Handy for retrofits in tight spaces
- Balances negative pressure in drain lines
- Includes AAV, P-trap, extension, and adapters
- Compatible with up to 2 in vent pipes and up to 20 DFU