FS4-3Z, 1" Flow Switch w/ ANSI terminal connections

Universal design serves the widest variety of applications. For starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices and others FeaturesReplacement for common flow switches from Johnson/Penn, Potter/Taco, Watts, Hydrolevel and other manufacturers1" NPTTwo electrical knock-outs allows connection from either endSensitivity adjusting screw makes flow adjustment easySingle pole, double throw snap switchHardened stainless steel bearings minimize frictionSealed Monel bellowsFour stainless steel paddles included -1", 2", 3" & 6" (25, 50, 80, & 150mm)Optional featuresTime delay (5 or 20 seconds)– Two SPDT switches to make or break two separate circuits Reinforced paddlesMaterials of construction suitable for corrosive liquidsFire sprinkler service - Model FS4-3F onlyBSPT threads Maximum temperature 300 Deg. F (149 Deg. C)Maximum pressure 160 psi (11.3 kg/cm2)