McDonnell & Miller FS4-3 Switch Refrigerant Using the Belimo ZG-LMSA Shaft

Using the Belimo ZG-LMSA Shaft Extension ensures your installation remains square and true

This component is designed for inductive load switching

By maintaining a steady sweep of dry nitrogen

While primarily used in gas train configurations

McDonnell & Miller FS4-3 Switch Refrigerant Using the Belimo ZG-LMSA ShaftFor contractors requiring reliable system protection, the McDonnell & Miller FS4 3 (Part Number 114400) is a heavy duty general purpose liquid flow switch designed to monitor flow in heating, cooling, and water process lines. This 1" NPT unit features a single pole, double throw (SPDT) configuration, allowing you to easily integrate signal lights, alarms, motors, or burners into the control circuit. Engineered to operate at a max pressure of 160 PSI