McDonnell & Miller FS4-3 General Purpose Liquid Flow Switch

• For starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices and others
• 1" NPT
• Minimum/maximum temperature: 32 degrees F/300 degrees F
• Sensitivity adjusting screw makes flow adjustment easy
• Four stainless steel paddles included: 1", 2", 3" & 6" (25, 50, 80, & 150mm)