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visible pitting on the contact surfaces
This spring is designed exclusively for the Maxitrol RV81 and RV210D series gas pressure regulators
including those used in flicker-style infrared flame detection systems
provided the transformer capacity meets the 6VA power requirement
McDonnell & Miller FS254 Snap Switch Els PW 29614 visible pitting on the contactThe 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
US$ 34.63
US$ 72.87
US$ 1299.50
