McDonnell & Miller FS4-3RP-T Switch Els PW 29614 70" WC and 1

70" WC and 1

The M1-M2 terminals should always be assigned to the blower circuit to ensure the fan is the first component on and the last component off during the heating cycle

The 4520-0011-000 is built with a rugged copper sensor and durable housing

If your application requires field-tuning of the fan speed

refrigerant bypassing the outdoor coil

McDonnell & Miller FS4-3RP-T Switch Els PW 29614 70" WC and 1The McDonnell & Miller FS4 3RP T (Part #114639) is a standard setting liquid flow switch engineered for heavy duty service in commercial HVAC and hydronic systems. This paddle flow switch features a 1" NPT connection and is designed to provide reliable equipment protection in chilled water, boiler, and process applications. Equipped with high sensitivity SPDT switch contacts, it seamlessly integrates into control circuits to cycle pumps, fire alarms,