The McDonnell & Miller #FS8-W Flow Switch 1 NPT Datasheet Installation Guide Features and Benefits For general purpose applications with environmental exposure, or those requiring a water-tight, dust tight, or a NEMA 4X rated flow switch 1″ NPT Sealed Monel bellows Single pole, double throw snap switch Four stainless steel paddles included – 1″, 2″, 3″ and 6″ (25, 50, 80 and 150mm) Sensitivity adjusting screw makes flow adjustment easy Optional features BSPT threads Gold plated contacts Minimum temperature (fluid or ambient) 32°F (0°C) Maximum temperature 225°F (107°C) Maximum operating pressure 160 psi (11.3 kg/cm2) Replacement for NEMA 4X-style flow switches from Potter/Taco, Watts, Penn and other manufacturers
