Watts 3/4 in. Bronze FPT x FPT Double Check Valve Assembly Backflow Preventer 007M3QT - The Home Depot

This double check valve assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to back siphon-age and or backpressure. It

Wilkins 3/4 in. Double Check Composite Vessel Fast Test Cocks Valve Assembly 34-350FT - The Home Depot

Febco 3/4 in. Bronze Double Check Valve Backflow Preventer Assembly 3/4 850 - The Home Depot

Watts 3/4 in. Lead-Free Brass FPT Dual Check Valve Backflow Preventer LF7U2-2 3/4 - The Home Depot

Watts 007M3QT 3/4 Double Check Assembly Valve: Faucet Valves: : Industrial & Scientific

3/4 - Backflow Preventers - Valves - The Home Depot

Watts 007M3QT 3/4 Double Check Assembly Valve: Faucet Valves: : Industrial & Scientific

Wilkins 3/4 in. Double Check Composite Vessel Fast Test Cocks Valve Assembly 34-350FT - The Home Depot

Note: This item does not comply with the 2014 Lead Free Act. It may not be used in potable water applications as of January 4, 2014. For potable water

3/4 Double Check Valve Assembly (007M3-QT)

Watts 3/4 IN Bronze Reduced Pressure Zone Backflow Preventer Assembly, Quarter Turn Shutoff Valves, Tee Handles, Flood Sensor 009M3-QT-FS 3/4 R - The Home Depot

Add-on to any 3/4 in. hose connection. UPGRADE to the 50H. 3/4 in. hose thread. The first ASSE 1052 approved automatic draining double-check backflow

Add-On 3/4 in. Hose Thread Brass Double-Check Backflow Preventer

3/4 - Check Valves - Valves - The Home Depot

Wilkins 3/4 in. 350 Double Check Backflow Preventer 34-350 - The Home Depot

Wilkins 3/4 in. 350 Double Check Backflow Preventer 34-350 - The Home Depot

Watts 007M3QT 3/4 Double Check Assembly Valve: Faucet Valves: : Industrial & Scientific

The 3/4 in. 350 Double Check Valve Assembly is used in low health hazard, non-potable water applications for protection against both back siphonage

Wilkins 3/4 in. 350 Double Check Backflow Preventer 34-350 - The Home Depot