Industrial RU 1311654-C-3 Control Circuit Board is a replacement main PC board used in Carrier/Trane HVAC equipment, identified as REV 6. This circuit board coordinates the system’s control logic, receiving inputs from sensors and managing outputs to actuators and fans to regulate operation. Cross-reference listings indicate that 1311654-C-3 corresponds to Nortec 163-4212 Main PC Board (1311654-C-3 REV A), suggesting compatibility with Nortec-based installations in applicable models.
