Seal your main water line when leaks emerge from your plumbing system with the WaterCop Water Shut-Off Valve With Lever Handle Lead Free. This ball valve with an attached lever handle attaches to your main water line to offer manual emergency control over your plumbing system. If your main water line has two locations to replace or add shut-off valves this valve can be used as a manual backup to shut off your water in the event your WaterCop system fails. The WaterCop System provides your home with round-the-clock indoor leak and flood detection and protection. The system consists of wired and wireless flood sensors On/Off control switches and a main control device consisting of an actuator motor and ball valve mounted on your main water line that all work together to detect leaks from your plumbing system or excessive water in selected areas and automatically shut off the water supply to help reduce and/or minimize the chances of major water damage. A WaterCop automatic water shut-off valve system is compatible with most home security and home automation systems via ethernet connection. A complete WaterCop System consists of three essential components. First a WaterCop Electric Actuator Motor that receives wireless signals from paired flood sensors to automatically seal the main water line. Second a ball valve that mounts onto your main water line and connects to the WaterCop Motor to seal your water supply. Finally wireless or wired flood sensors which detect water and transmit alert signals to the WaterCop to turn off your water supply. Notes: Be sure to specify which diameter valve you are using when ordering. All WaterCop brass valves comply with published NSF61 standards which restrict lead and other metal contaminants to safe levels for drinking water systems; the lead-free valves are approved for sale in all U.S. States and comply with California AB1953 and Vermont S.152 laws. Manufacturer Part #: 1.25 Inches: WCMVLF114.