The Carrier HA-RB-217651-02 Cable CWFS with LED Lights SSN is an OEM flow switch wiring harness designed for Carrier HVAC equipment. It provides an electrical connection between the flow switch and the equipment’s control system, transmitting signals to support proper system operation. Integrated LED lights offer visual indication, making installation, inspection, and troubleshooting ... https://www.partshnc.com/ha-rb-217651-02-carrier-cable-cwfs-with-led-lights-ssn