While dimensionally identical

including MOT12215

If used outdoors

some 903162 kits include the seal

Drop-In Installation: Standard 48-frame size and thru-bolt mounting simplify field replacement for maintenance crews

Carrier HK42ER227 Motor Module 321702-401 While dimensionally identicalThe Carrier HK42ER227 is a genuine OEM replacement ECM motor module designed specifically for 1 3 HP X13 blower motors. This module serves as the programmed control logic for the constant torque motor, regulating airflow across various static pressures to maintain system efficiency. Engineered for Carrier, Bryant, and Payne air handlers and furnaces, the HK42ER227 motor control manages the brushless DC motor commutation, ensuring precise ramp up