Carrier EA03XC389 Expansion Valve 318172-701 Extended Service Life: Microprocessor-controlled DC

Extended Service Life: Microprocessor-controlled DC motor prevents burnout under stalled conditions without overheating

Vibration Reduction: Factory-balanced design minimizes mechanical stress on the condenser fan motor bearings

maintaining the exact electrical specifications required for efficient refrigerant flow management

ensuring the unit operates within the designated HVAC system integrity parameters

This Functional Devices RIB series component is a standard for contractors requiring a durable power control relay that eliminates the need for separate housings or complex mounting brackets

Carrier EA03XC389 Expansion Valve 318172-701 Extended Service Life: Microprocessor-controlled DCThe Carrier EA03XC389 Electronic Expansion Valve is a high precision OEM metering component designed to optimize refrigerant flow in high efficiency Carrier and Bryant HVAC systems. As the direct replacement for EA03XC383, this EXV ensures seamless compatibility with existing evaporator coils and control boards, eliminating the calibration drift common in aging mechanical thermostatic valves. Built for R 410A applications, the EA03XC389 utilizes step