Lochinvar & A.O. Smith 100109846 Limit Switch 322838-754 Robust Switching: Features SPST switching

Robust Switching: Features SPST switching logic rated for line voltage applications

ensuring rapid response to flame rollout

this assembly is a direct cross-reference for the 43206 series and 45889 series motors

Drop-in Replacement: Optimized for the 661024R cross-reference

this assembly typically includes the necessary neoprene or fiberglass gasket to ensure an airtight seal against the collector box

Lochinvar & A.O. Smith 100109846 Limit Switch 322838-754 Robust Switching: Features SPST switchingThe Lochinvar & A. O. Smith 100109846 is a 90 150F M R limit switch engineered for high precision thermal protection in residential and commercial water heating systems. As a critical safety component, this manual reset thermostat monitors air or water temperature to prevent overheating conditions that can lead to equipment failure or hazardous operation. It is specifically designed for cross brand compatibility, serving as a direct replacement part