Lochinvar & A.O. Smith 100110517 Electrode 30067439-890 this immersion-style sensor provides real-time

this immersion-style sensor provides real-time resistive feedback to the main control unit

Industrial Build Quality: Features a 30-inch capillary line for flexible positioning and vibration resistance

It should only be done momentarily by a licensed technician to diagnose a furnace not heating issue

turn it counterclockwise

this 025-30891-000 HVAC part provides the exact OEM fit and conductivity required to prevent intermittent power loss and ensure the safe operation of the primary power circuit

Lochinvar & A.O. Smith 100110517 Electrode 30067439-890 this immersion-style sensor provides real-timeThe Lochinvar & A. O. Smith 100110517 Electrode is a critical ignition and flame sensing component engineered for high efficiency condensing boilers and water heaters. This genuine OEM part, formerly identified as Lochinvar FIL2419, ensures precise spark ignition and reliable flame rectification within the combustion chamber. Designed for compatibility with Lochinvar Knight (KBN, KBN, WHN) and Armor (AWN) series, as well as several A. O. Smith Cyclone