Carrier EA03XC388 Electric Expansion Valve (EXV) is a refrigerant control component designed to regulate refrigerant flow in compatible HVAC systems. It works by electronically adjusting the valve opening in response to system control signals, maintaining proper refrigerant flow and evaporator performance under changing load conditions. Designed for use with compatible Carrier air con... https://www.partshnc.com/ea03xc388-carrier-electric-expansion-valve-exv