Lochinvar & A.O. Smith 100110355 Ignitor/Flame Sensor 321042-401 Application: Hydrotherm cast iron boilers

Application: Hydrotherm cast iron boilers and modular heating plants

which are critical for maintaining the high thermal efficiency of your furnace or boiler

Broad Compatibility: Fits various Lochinvar and A

making it a drop-in replacement for over 150 OEM parts

Integrated Water Column: Simplifies installation by providing built-in ports for essential gauge glass and tri-cock maintenance

Lochinvar & A.O. Smith 100110355 Ignitor/Flame Sensor 321042-401 Application: Hydrotherm cast iron boilersThe Lochinvar & A. O. Smith 100110355 Ignitor Flame Sensor is a critical hot surface ignition component engineered for high efficiency commercial water heaters and boilers. This dual purpose electrode serves as both the ignition source and the flame rectification sensor, ensuring precise burner sequencing. Designed for compatibility with several high output series, including Lochinvar Knight and A. O. Smith Cyclone models, this 100110355 ignitor