WS-36: Washer Water Leak Detect and Shutoff 1/2" Valves System Protects your home 24/7 against damage from washer water leaking while you are at home or away Provides automatic water shut-off of both hot and cold water lines as well as an audible alarm when a water leak is detected Easy to use and install on pre-existing water valves - no plumbers needed System may qualify you for an insurance discount and can interface with a home security alarm system for monitoring and remote notification of leaks Valves are NSF-61 Listed with a manual overrides and position indicators