Reconditioned Reconditioned for like-new performance at a more affordable cost The Mitsubishi T7WAP0323 (part number 289270) is an OEM power circuit board (Power PCB) manufactured by Mitsubishi Electric for outdoor HVAC heat pumps and air conditioning units. Primary Compatibility: Mitsubishi Electric Ecodan Heat Pump Outdoor Unit (PUHZ-W50VHA2-BS / PUHZ-W50VHA2 / PUHZ-W50VHA2R1 / PUHZ-W50VHA2R1-BS) Key Functions & Information: Power Management: Converts incoming AC supply power and regulates high-load current to safely feed the variable-speed inverter compressor and outdoor fan motors. System Protection: Houses built-in surge protection components to prevent line-side voltage spikes from damaging sensitive microprocessors. Symptoms of Failure: Sudden unit shutdown, failure of the compressor to start/ramp up, or communication fault codes displayed on the indoor unit controller. Replacement Note: Always power down the system completely before servicing. Match jumper switch configurations on the new board to the original board before restoring power. Installation by a qualified HVAC professional is recommended.