Lochinvar & A.O. Smith 100109916 Limit Control 326058-756 this switch prevents hazardous operation

this switch prevents hazardous operation by detecting venting obstructions or inducer failure

protecting the gear train and damper motor from excessive wear

ideal for HVAC units and appliance control

Excessive squealing during motor startup typically indicates tension loss or material degradation

Lochinvar & A.O. Smith 100109916 Limit Control 326058-756 this switch prevents hazardous operationThe 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