FS8-W-1.pdf 

Flow Switches – Liquid Series FS8-W General Purpose Liquid Flow Switches

• 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