WW88009422, Tamper Switch Replacement for OSY-TS Models; Fits 2 1/2 to 12 IN Sizes

This supervisory tamper switch, model TS-OSY, is intended for use in fire-service systems. The purpose is to sound an alarm when the OS&Y valve is closed or the tamper switch is removed. It is FM Approved, UL Listed and installed on all OS&Y type valves that can be used to isolate the flow of water to any portion of the fire sprinkler system, where indicated on the drawings and plans and as required by applicable codes and standards. The supervisory switch is NEMA 4X and 6P rated and suitable for use indoors or outdoors. Fits OSY-TS models in sizes 2 1/2 to 12 IN. Includes installation instructions.