Mcdonnell & Miller FS254, General purpose flow switch w/ NEMA 4 enclosure (Replaces FS8-W)

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 Replacement for common flow switches from Johnson/Penn, Potter/Taco, Watts, Hydrolevel and other manufacturers 1" NPTM Pipe Connection Sensitivity adjusting screw makes flow adjustment easy Single pole, double throw snap switch EPDM O-ring sealed Four stainless steel paddles included 1", 2", 3" & 6" (25, 50, 80, & 150mm) Minimum temperature (fluid or ambient) 32 Deg. F (0 Deg. C) Maximum temperature 250 Deg F (121 Deg. C) Maximum pressure 160 psi (11.2 kg/cm2) Models:FS251 - NEMA1 enclosure, FS254 - NEMA4 enclosure