eliminating the need for auxiliary relays in many setups

Direct OEM Replacement: Ensures exact compatibility with Lochinvar and A

low supply voltage

ensuring OED burner performance remains within manufacturer specifications

Lochinvar & A.O. Smith 100109846 Limit Switch 322838-753 eliminating the need for auxiliaryThe 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