Shut Off Valves
In every backflow system, shut-off valves play a critical role. Whether you require a replacement or a new backflow shut-off valve, Backflow Depot is your ultimate destination. Our extensive selection includes ball valves, gate valves, and butterfly valves sourced from top manufacturers, providing you with a range of high-quality options to choose from.
Outside Stem & Yoke
![](/images/backflow-parts/shutoff-valves/sv1.webp)
Kennedy OS&Y Gland Reinforcement Plate Set
10" - 12"
![](/images/backflow-parts/shutoff-valves/sv2.webp)
Flg x Flg OS&Y Gate Valve
10"
![](/images/backflow-parts/shutoff-valves/sv3.webp)
Flg x Grv OS&Y Gate Valve
10"
![](/images/backflow-parts/shutoff-valves/sv4.webp)
Mueller OS&Y Packing/Hardware Kit for Model R-2360
10"
![](/images/backflow-parts/shutoff-valves/sv5.webp)
Wilkins OS&Y Packing/Hardware Kit
10"
![](/images/backflow-parts/shutoff-valves/sv6.webp)
Kennedy OS&Y Packing/Hardware Kit
10" - 12"
![](/images/backflow-parts/shutoff-valves/sv7.webp)
Flg x Flg OS&Y Gate Valve
12"
![](/images/backflow-parts/shutoff-valves/sv8.webp)
Mueller OS&Y Packing/Hardware Kit for Model R-2360
12"
![](/images/backflow-parts/shutoff-valves/sv9.webp)
Wilkins OS&Y Packing/Hardware Kit
12"
![](/images/backflow-parts/shutoff-valves/sv10.webp)
Flg x Flg OS&Y Gate Valve
2 1/2"
![](/images/backflow-parts/shutoff-valves/sv11.webp)
Flg x Grv OS&Y Gate Valve
2 1/2"
![](/images/backflow-parts/shutoff-valves/sv12.webp)
Kennedy OS&Y Packing/Hardware Kit
2 1/2"
![](/images/backflow-parts/shutoff-valves/sv13.webp)
Kennedy OS&Y Gland Reinforcement Plate Set
2 1/2"
![](/images/backflow-parts/shutoff-valves/sv14.webp)
Wilkins OS&Y Packing/Hardware Kit
2 1/2"
![](/images/backflow-parts/shutoff-valves/sv15.webp)
Mueller OS&Y Packing/Hardware Kit For Model R-2360
2 1/2" - 3"
![](/images/backflow-parts/shutoff-valves/sv16.webp)
Packing Hook Tool
2 1/2" - 6"
![](/images/backflow-parts/shutoff-valves/sv17.webp)
Flg x Flg OS&Y Gate Valve
3"
![](/images/backflow-parts/shutoff-valves/sv18.webp)
Flg x Grv OS&Y Gate Valve
3"
![](/images/backflow-parts/shutoff-valves/sv19.webp)
Kennedy OS&Y Gland Reinforcement Plate Set
3" - 4"
![](/images/backflow-parts/shutoff-valves/sv20.webp)
Wilkins OS&Y Packing/Hardware Kit
3" - 4"
![](/images/backflow-parts/shutoff-valves/sv21.webp)
Kennedy OS&Y Packing/Hardware
3" - 4"
![](/images/backflow-parts/shutoff-valves/sv22.webp)
Flg x Flg OS&Y Gate Valve
4"
![](/images/backflow-parts/shutoff-valves/sv23.webp)
Flg x Grv OS&Y Gate Valve
4"
![](/images/backflow-parts/shutoff-valves/sv24.webp)
Mueller OS&Y Packing/Hardware Kit For Model R-2360
4"
![](/images/backflow-parts/shutoff-valves/sv25.webp)
Flg x Flg OS&Y Gate Valve
6"
![](/images/backflow-parts/shutoff-valves/sv26.webp)
Flg x Grv OS&Y Gate Valve
6"
![](/images/backflow-parts/shutoff-valves/sv27.webp)
Kennedy OS&Y Gland Reinforcement Plate Set
6"
![](/images/backflow-parts/shutoff-valves/sv28.webp)
Mueller OS&Y Packing/Hardware Kit For Model R-2360
6"
![](/images/backflow-parts/shutoff-valves/sv29.webp)
Wilkins OS&Y Packing/Hardware Kit
6"
![](/images/backflow-parts/shutoff-valves/sv30.webp)
Kennedy OS&Y Packing/Hardware Kit
6" - 8"
![](/images/backflow-parts/shutoff-valves/sv31.webp)
Flg x Flg OS&Y Gate Valve
8"
![](/images/backflow-parts/shutoff-valves/sv32.webp)
Flg x Grv OS&Y Gate Valve
8"
![](/images/backflow-parts/shutoff-valves/sv33.webp)
Kennedy OS&Y Gland Reinforcement Plate Set
8"
![](/images/backflow-parts/shutoff-valves/sv34.webp)
Mueller OS&Y Packing/Hardware Kit For Model R-2360
8"
![](/images/backflow-parts/shutoff-valves/sv35.webp)
Wilkins OS&Y Packing/Hardware Kit
8"
![](/images/backflow-parts/shutoff-valves/sv36.webp)
Packing Hook Tool
8" - 12"