The FS 1/2-NPT-D is a dual valve 1/2" threaded shutoff valve kit. This kit is good for sinks or any other application where you will need to shutoff two water lines at the same time when a leak is detected. This unit will detect a leak, sound an alarm, and automatically turn off the water supply to the offending appliance or pipe to prevent further damage. Powered by AC adapter/Transformer and 4 AA Batteries as a battery backup in case of a power outage, or the batteries may serve as the sole power source if there’s no nearby electrical outlet to utilize the transformer. The controller will beep to alert you of low or no batteries. The controller has one output contact (normally open) that can be connected to an Alarm, Home Automation or Auto-Dialer systems if desired.

• Valve stays open until water loss is detected
• Water on sensor closes FloodStop valve and sounds alarm
• Valve stays closed until problem is attended to and system is reset
• Rated 0‐180 PSI. Max 250 PSI. Solid brass. AB1953, UPC, CUPC, NSF61 cert.
• Rated 32‐212 degrees F
• Sensor: 1.25 X 7.5 inch, double sided. Additional sensors may be added in series.
• Alarm: Beeping with Mute button.
• Wire Lengths : valve to control box approx. 2 1/2', valve to sensor approx 7', power supply 5 1/2'

User Manual