Lochinvar & A.O. Smith 100110355 Ignitor/Flame Sensor 321042-401 The dual shaft allows the

The dual shaft allows the actuator to drive components from either side of the motor

Application: Hydrotherm cast iron boilers and modular heating plants

this NTC thermistor operates with a specific resistance curve—typically 10K Ohm or 3K Ohm depending on the application series—to deliver real-time data to the BAS (Building Automation System)

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

Precision Machined Orifices: Ensures exact fuel flow rates for consistent LP gas pressure and heat distribution

Lochinvar & A.O. Smith 100110355 Ignitor/Flame Sensor 321042-401 The dual shaft allows theThe 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