
Hayward Defrost Sensor for HeatPro Heat Pump, HPX11024169
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Quick overview
- Genuine Hayward part Factory sensor HPX11024169 for the HeatPro heat pump.
- Named two ways in the source Hayward lists it as the defrost sensor and also as a water temperature sensor, so confirm the position against your unit.
- HeatPro models Listed for HP6003T, HP11003T, HP21003 and HP2100TC03T.
- Feeds the control board The board makes its heating and defrost decisions on what this sensor reports.
- A drifting sensor misbehaves quietly The unit may short cycle, ice up or refuse to heat while nothing looks broken.
- Cheap part, expensive symptom Sensors are among the least costly heat pump components and among the most common faults.
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Frequently bought together

Defrost Sensor for HeatPro Heat Pump, HPX11024169
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Product details
The Hayward HPX11024169 is the sensor used on HeatPro heat pumps, covering models HP6003T, HP11003T, HP21003 and HP2100TC03T. It is the genuine Hayward part.
A note on the name
Hayward source material refers to this part number both as the defrost sensor and as a water temperature sensor. We have carried both readings rather than pick one. Before fitting, match the sensor and its lead against the position it came from on your unit.
Why a sensor causes big symptoms
A heat pump has no way to know what is happening beyond what its sensors tell the control board. When a sensor drifts or opens, the board keeps making decisions, just on wrong information. That is why a failing sensor rarely announces itself as a sensor problem. It looks like a unit that ices over, cycles on and off, or sits there refusing to heat a pool that is plainly cold.
Worth checking first
Sensors sit near the bottom of the price list for heat pump components and near the top of the failure list. On a HeatPro that is behaving oddly without any obvious mechanical fault, sensors are the sensible place to start.
| Brand | Hayward |
|---|---|
| Manufacturer part number | HPX11024169 |
| UPC | 610377096997 |
| Type | Sensor, listed as defrost sensor and as water temperature sensor |
| Fits | Hayward HeatPro heat pumps, models HP6003T, HP11003T, HP21003, HP2100TC03T |
| Shipping weight | 0.15 lb |
| Ships | Parcel |
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Questions and answers
What people ask about this product, answered by our pool techs.
Is this the defrost sensor or the water temperature sensor?
Which heat pumps does it fit?
Is this a genuine Hayward part?
What happens when this sensor fails?
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