If used outdoors

When troubleshooting tube heater ignition failure

It is paired with the LF24 spring return actuator

including MOT12215

Carrier HK42ER227 Motor Module 321702-401 If used outdoorsThe 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