Carrier LH33CZ003 Ignition Control 30067439-890 the 100167776 is the official

the 100167776 is the official manufacturer-designated identical replacement for the discontinued RLY3002 ignition kit

Common Questions Can I use this in place of a lower-wattage element

Internal thermal overload protection prevents winding burnout during voltage fluctuations or restricted airflow events

This part is frequently found in Lochinvar Power-Fin heating boilers (1501-2001) and various A

though field adjustment of the sensitivity screw may be required to compensate for paddle weight

Carrier LH33CZ003 Ignition Control 30067439-890 the 100167776 is the officialThe Carrier LH33CZ003 Ignition Control is a critical OEM replacement component designed for precise sequence management in Carrier, Bryant, and Payne furnaces. As a veteran grade electronic ignition module, this part manages the interface between the thermostat and the burner assembly, overseeing the hot surface igniter (HSI), inducer motor, and gas valve operations. This DSI ignition control (Direct Spark Ignition) ensures safe and reliable furnace