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the York S1-024-25808-702 is the direct OEM replacement for the legacy 024-25808-002 part number
Water Hammer Resilience: The inverted bucket mechanism is naturally buoyant and handles sudden pressure surges better than float-type or thermostatic alternatives
Contractors should note that this 5 kilowatt heater kit utilizes a 4-pin plug-in connector for quick integration with the existing control board and wiring harness
Most failures result from moisture or debris entering the SPST housing through the sensing lines
essential for gravity-fed or low-pressure loops
McDonnell & Miller FS254 Snap Switch Els PW 29614 the York S1-024-25808-702 is theThe 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