Carrier HK44ER121 Control 326010-701 making it a critical component

making it a critical component for remote or off-grid installations

requiring standard brazing techniques for a secure attachment to the refrigerant line set

and common (COM) porting using 1/8" NPT connections

or an open circuit reading between the common and hot leads during a resistance test

use an ohmmeter to check for continuity across the terminals at room temperature

Carrier HK44ER121 Control 326010-701 making it a critical componentThe Carrier HK44ER121 is a factory authorized ECM Motor Control module engineered specifically for 1 2 HP blower motors in high efficiency Carrier, Bryant, and Payne furnace and air handler assemblies. As an Eon 5. 0 ECM MTR Control, this high performance interface regulates the speed and torque of electronically commutated motors to maintain precise airflow across varying static pressures. This OEM replacement control board is a direct drop in for