McDONNELL & MILLER 120611 ( FS-251 ) FLOW SWITCH 1 NPT

The McDonnell & Miller 120611 (FS-251) is a general-purpose flow switch designed for HVAC systems.
 

Features and details:

• Function: It's used to start or stop electrically operated equipment such as signal lights, alarms, motors, automatic burners, and metering devices.

• Design: The switch has a universal design that serves a wide variety of applications. It comes with a NEMA 1 enclosure, which means it's suitable for indoor use.

• Connection: It features a 1-inch NPTM pipe connection for easy installation.

• Adjustability: There's a sensitivity adjusting screw that makes it easy to adjust the flow.

• Switch Type: It's a single pole, double throw (SPDT) snap switch.

• Temperature Range: It operates within a temperature range of 32°F to 250°F (0°C to 121°C).

• Pressure Rating: It can handle up to 160 PSI (11.2 kg/cm²).

• Materials: It includes four stainless steel paddles and is EPDM O-ring sealed for durability.

• Dimensions: Approximately 6.5 inches (165 mm) in length and 2.5 inches (63.5 mm) in diameter.

• Weight: Around 1.90 pounds (0.86 kg)

This flow switch is a reliable component for ensuring proper flow control in HVAC systems, making it a valuable addition to any setup.