Lochinvar & A.O. Smith 100109916 Limit Control Freon Maintenance Efficiency: Designed with a

Maintenance Efficiency: Designed with a "Cool Blue" cap that allows for rapid inspection and disc replacement without breaking pipe connections

Designed for seamless integration into Rheem furnace models and Ruud air handling units

or a failure to initiate the combustion cycle during the call for heat

Key Technical Benefits: OEM Compatibility: Precision-engineered for direct replacement in McQuay and Daikin HVAC units

making it versatile for tight mechanical rooms

Lochinvar & A.O. Smith 100109916 Limit Control Freon Maintenance Efficiency: Designed with aThe Lochinvar & A. O. Smith 100109916 Dual Limit Control is a critical safety component designed for heavy duty commercial and residential heating systems. This OEM water heater part serves as a high precision manual reset limit switch, engineered to prevent hazardous overheating by interrupting the burner circuit when temperatures exceed the safe operational threshold. As a direct 100109916 replacement for legacy models 11B79 3, 9004529005, and