this flame rod detects the presence of ions within the flame

including NDGK

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

This listing is for the valve body only

Optimized Airflow: The 11-inch diameter and 10-inch width configuration maintains consistent static pressure across heat exchangers

Lochinvar & A.O. Smith 100109916 Limit Control Els PW 17895 this flame rod detects theThe 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