Lochinvar & A.O. Smith 100208558 Sensor 321894-708 also identified as the 325-7AL-1212-NG02

also identified as the 325-7AL-1212-NG02

Always verify if your application requires the fan to turn on (3F05 series) or the burner to turn off (3L05 series) at the temperature set point

this model (KCE) is specifically charged with POE oil

simply press the button to restore power

For technicians asking how to install a 480V York crankcase heater

Lochinvar & A.O. Smith 100208558 Sensor 321894-708 also identified as the 325-7AL-1212-NG02The Lochinvar & A. O. Smith 100208558 Sensor is a critical premix gas air arm sensor designed for high efficiency combustion systems. This OEM replacement part is engineered to monitor the air fuel ratio within the burner assembly, ensuring precise modulation and optimal thermal efficiency. As a high limit outlet sensor, it provides real time data to the control board to prevent overheating and maintain safe boiler operation. Constructed from