Mitsubishi Electric T7W GJO 315 MAIN CONTROLLER BOARD is a genuine OEM circuit board designed for use in specific HVAC systems. It plays a critical role in managing the system’s operations, including temperature regulation, compressor control, and communication with indoor or outdoor units.

Here are some key details:

• Compatibility: It fits models like PUHZ-HW140VHA2R3 &  PUHZ-HW140VHA2R4
• Function: As the main control board, it processes signals from sensors and user inputs, ensuring the system runs efficiently and safely.