Supervisory Switch for Outside Screw & Yoke (OS & Y) Valve

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Supervisory Switch for Outside Screw & Yoke (OS & Y) Valve

Model Number:  6220
Product Function:
Used to detect unauthorized operation of a main control valve in a sprinkler or standpipe system. Transmits an electrical impulse to activate audible or visual alarm. For use with OS&Y gate valve from 1/2 inch (1.2 cm) thru 12 inch (30.4 cm). Red, tamper-proof cover, with J-bolt mounting. Two double-pole double-throw microswitches
Product Details
  • Size:  0.5" thru 12"
  • UL:  Yes
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