Gas water valves are now smarter with this Smart WiFi Gas Water Valve. The Smart-Gas Water Valve instantly communicates with your smartphone, allowing you to control the water flow from anywhere. The Smart WiFi Water Valve Gas by EPIC-LEGENDS is a wifi water valve that lets you control your water valve from anywhere. The app is easy to use, and you can do everything from turning the water valve on and off to set a timer or an alarm. This smart water valve is compatible with most standard water valves.