Carrier HA-RB-217366-04 EXV Wiring Harness Circuit B

The Carrier HA-RB-217366-04 is a genuine OEM electronic expansion valve (EXV) wiring harness designed specifically for Circuit B in commercial HVAC systems. This black wiring harness measures 13 feet 9 inches in length, providing ample reach for connecting the EXV controller to the expansion valve in split refrigerant circuits.

Key Features:

• Genuine Carrier OEM replacement part
• 13' 9" cable length for flexible installation
• Designed for Circuit B refrigerant systems
• Compatible with Carrier, Bryant, and Payne commercial units
• Replaces legacy part number SF703280
• Black insulated wiring for durability

Electronic expansion valves provide precise refrigerant flow control for optimal system efficiency and performance. This harness ensures reliable electrical communication between the EXV controller and the valve motor, enabling accurate superheat control and system operation. The harness is engineered to meet Carrier's strict quality standards for commercial refrigeration and air conditioning applications.