including NDGK

This listing is for the valve body only

ensuring the valve port returns to the closed state upon power loss

Optimized Airflow: Precision-pitched blades maintain the required CFM levels to prevent coil freezing or heat exchanger overheating

protecting equipment from overheating and improving overall energy efficiency through precise cycling

Lochinvar & A.O. Smith 100109916 Limit Control Els PW 17895 including NDGKThe 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