
Hayward HeatPro Heating/Cooling Control Board, SMX11023511
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Quick overview
- Genuine Hayward Factory board SMX11023511, the OEM replacement.
- Heating and cooling The board for the heating and cooling version of the HeatPro.
- For the HP31154T Hayward lists this board as the replacement for the HeatPro HP31154T heat pump.
- Runs the whole unit The control board reads the sensors and switches the compressor, fan and reversing valve.
- A common failure Boards go down from heat, moisture and surges, and the usual symptom is a dead panel or a unit that will not call.
- Check the model plate Confirm the model on the data plate before ordering, since HeatPro boards are not interchangeable across models.
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HeatPro Heating/Cooling Control Board, SMX11023511
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Product details
The Hayward SMX11023511 is the heating and cooling control board for the HeatPro heat pump. It is the genuine Hayward part, listed as the replacement board for the HP31154T.
What the board does
The control board is the part that makes a heat pump a heat pump. It reads the temperature sensors and the pressure switches, decides when to bring the compressor on, runs the fan, and on a heating and cooling unit it drives the reversing valve that switches the machine between the two modes. When the board fails, nothing else in the unit gets a command, so a healthy compressor and fan sit idle.
Why they fail
The board lives outdoors in a cabinet that gets hot, damp and occasionally full of insects. Heat cycling, moisture and voltage surges are the usual causes. The symptoms are a display that will not light, a unit that ignores a call for heat, or erratic behavior with no fault found in the refrigerant circuit.
Before ordering
Read the model number off the data plate on the unit. HeatPro boards are model specific and are not interchangeable across the range, and this one is the heating and cooling board rather than a heat only board.
| Brand | Hayward |
|---|---|
| Manufacturer part number | SMX11023511 |
| UPC | 610377133036 |
| Type | Heating and cooling control board |
| Fits | Hayward HeatPro HP31154T heat pump |
| Shipping weight | 0.7 lb |
| Ships | Parcel |
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Questions and answers
What people ask about this product, answered by our pool techs.
Which heat pump does this board fit?
Is this the heating only board?
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