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microscopic pitting on the metal surface will eventually cause rapid carbon accumulation
mercury-free mechanical thermostat designed for single-stage heat-only applications
it features a robust TEAO (Totally Enclosed Air Over) design to protect the internal windings from moisture and contaminants
Broad System Compatibility: Serves as the primary furnace gas valve replacement for numerous Carrier and Bryant residential units
Applications involving ammonia require specific stainless steel or ammonia-compatible pressure control models
McDonnell & Miller FS7-4W Snap Switch Els PW 29614 microscopic pitting on the metalThe McDonnell & Miller FS7 4W (Part Number 120201) is a heavy duty industrial liquid flow switch engineered for high demand hydronic and process applications requiring a NEMA 4X enclosure. This unit features a 1 1 4" NPT connection and is designed with a brass body and sealed tube construction to isolate the SPDT snap switch from the process fluid. Rated for a maximum pressure of 300 PSI and fluid temperatures up to 300F, it provides high reliability
