McDonnell & Miller FS4-3 1″ Flow Switch 1″ NPT.
Features:
- Replacement for common flow switches from Johnson/Penn, Potter/Taco, Watts, Hydrolevel and other manufacturers
- 1″ NPT
- Two electrical knock-outs allows connection from either end
- Sensitivity adjusting screw makes flow adjustment easy
- Single pole, double throw snap switch
- Hardened stainless steel bearings minimize friction
- Sealed Monel bellows
- Four stainless steel paddles included:Â 1″, 2″, 3″ & 6″ (25, 50, 80, & 150mm)
