Anti-Siphon Valve

SelfClimat Sergovalve diaphragm anti-siphon valve

3/8 MNPTF x 1/2 Barb Aluminum Anti-Siphon Valve

Franklin Fueling Systems, 605-300-01

Orbit 3/4 In. NPT/GBX 10 to 125 psi Plastic Automatic Anti-Siphon Valve - Henery Hardware

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Rain Bird DASASVF075 Professional Grade Anti-Siphon Valve with Flow Control, 3/4 Threaded Female x Female

VETUS anti-syphon device with valve, for 13/19/25/32mm hose

Lawn Genie Underground Sprinkler Automatic Anti-Siphon Valve, 3/4

The Anti-Siphon Valve, a Breakthrough in Oil System Fire Safety, Has Been Protecting Fuel Oil Handling Facilities for a Century

0.75-in Plastic Electric Anti-Siphon Irrigation Valve

Rain Bird 0.75-in Plastic Electric Anti-Siphon Irrigation Valve

Lawn Genie L7010 100018045

How to Use Anti-Siphon Valves (w Backflow Prevention Basics)