Guardian Smart Water Shutoff Valve

Prevent water damage: Install in minutes and never worry about water damage again. Guardian will automatically close your water main when Leak Detectors sense leaks, freezing temperatures, or earthquakes.  Easy install: The Valve Controller easily installs over existing quarter-turn metal ball valve from ½” - 1” without any tools (indoor use only) Extreme Range - The Leak Detectors can be placed up to 1000’ away (line of sight) from the Valve Controller, and they include a 15-year battery