McDonnell & Miller 120611

FS251, General purpose flow switch w/ NEMA 1 enclosure

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