Copeland Comfort Control (Alco) 097720 Valve 321042-401 This part typically utilizes the

This part typically utilizes the existing 1/4-inch hex head screw found on the burner housing

leak-free fit for field service replacements

the Copeland 90-170 provides the mechanical durability required to handle high locked rotor amps (LRA) without premature failure

which is vital for preventing delayed ignition and safety lockouts

Its balance-port design ensures stable operation across varying ambient temperatures

Copeland Comfort Control (Alco) 097720 Valve 321042-401 This part typically utilizes theThe Copeland Comfort Control (Alco) 097720 Valve, also identified as the Model EX5 U21 and cross referenced with part number 800618, is a high precision stepper motor driven electrical control valve engineered for demanding HVACR applications. Designed for versatile performance, this electronic expansion valve (EEV) manages refrigerant flow with exceptional accuracy via its 24VDC stepper motor, which provides a high resolution linear drive to ensure