Hayward SMX11023511 HP31154T HeatPro Heat Pump Heating/Cooling Control Board
The Hayward SMX11023511 (HP31154T HeatPro Heating/Cooling Control Board) is the main OEM control board used in certain Hayward HeatPro heat pump models. It manages the unit's heating and cooling functions, monitors sensors, and controls major components such as the compressor, fan motor, and reversing valve. [activepoolsupply.com], [poolweb.com]
Compatible models
- Hayward HP31154T HeatPro
- Hayward HP31204T HeatPro
Common symptoms of a failed control board
- Display panel is blank or dead
- Heat pump will not start
- Unit powers up but does not heat or cool
- Erratic operation or failure to respond to controls
