Maintenance free - Heavy duty full port solid brass ball valves. AB1953 and NSF 61 lead free complaint / ICC-ES Listed (PMG-1511) Our automation mechanisms monitor water flow within your plumbing to protect the home from potential damage or danger. Leak detectors sense when water escapes... Motor operates at 6VDC., ; 1., 25 X 7., 5 inch, double sided water sensor; Control Unit mounted with screws or Velcro (included); UL listed class 2 wall adaptor, 115AC/9VDC. Kit includes: Full Port Motorized Ball Valves: CNC machined. DROP Water Protection System for 1 & 3/4 pipes – Water Security Solutions 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. Furnish and install point-of-use leak detection with audible and visual alarm, plus automatic water shut-off system designed for residential and commercial buildings Optional Power Sources: (4) AA Batteries (not included). Includes one year manufacturer warranty. Complies with: IPC, IRC. FloodStop Leak Prevention Kit FloodStop Sink Leak Detector Kit With Automatic Water Shut-Off And Visual/Audible Alarms, 3/8 Automatic Water Shut Off Valve UPC and the National Plumbing Code of Canada (NPC) code bodies