McDonnell & Miller 310802 Snap Switch Els PW 17895 000 BTU input rating of

000 BTU input rating of F and B series models

This component meets stringent EIA-456-A industry standards

Whether you’re performing a quick service call or a complete system overhaul

and UBZ300 series models

Enhanced Isolation: The split-bobbin construction provides high dielectric strength and prevents electromagnetic interference in modern electronic control boards

McDonnell & Miller 310802 Snap Switch Els PW 17895 000 BTU input rating ofOptimizing liquid flow control in hydronic and industrial systems requires reliable electrical feedback, and the McDonnell & Miller 310802 Snap Switch is the standard for maintaining seasonal uptime. Specifically engineered as the direct replacement snap switch assembly for FS250 series flow switches (Model SW FS250), this component ensures precise SPDT (Single Pole Double Throw) actuation. For contractors managing boiler flow switch maintenance, this