The McDonnell & Miller 302900 Cam

To achieve the lowest specified set point

If the MFD rating drifts too far

07 maintains UL certification and system safety standards

This SPDT temperature control is rated for 24 to 277Vac

McDonnell & Miller FS254 Snap Switch Refrigerant The McDonnell & Miller 302900The McDonnell & Miller FS254 Snap Switch (Part Number 120610) is a heavy duty, general purpose liquid flow switch engineered for high reliability monitoring in HVACR and industrial hydronic systems. This unit is the direct replacement for the legacy FS 254 and offers a field proven solution for starting or stopping electrically operated equipment including automatic burners, circulator pumps, and system alarms. Built with a NEMA 4 enclosure, the FS254