the 33J37 is the official OEM replacement for several Armstrong Air and Ducane models that utilize the 33J3701 part number

Does this board include the diagnostic LED indicators

Because it is a modular cartridge design

due to the high 375VA output

Carrier HK42ER225 Motor Module 323055-751 the 33J37 is the officialThe Carrier HK42ER225 Blower Motor Module is a critical OEM replacement part designed for high efficiency climate control. This ECM (Electronically Commutated Motor) control interface serves as the brain for the blower assembly, regulating motor speed and torque to maintain precise airflow requirements. Engineered for Carrier, Bryant, and Payne HVAC units, this module operates at 208V 240V and supports 1 3 HP applications. It features a robust design