
Ariston
Ariston Boiler Thermistor Temperature Sensor 65122300
Ariston 65122300 thermistor temperature sensor for CLAS Premium EVO System and Genus ONE System boilers.
At a glance
- Also known as 1578180
£53.74
£44.78 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Ariston 65122300 is a thermistor temperature sensor used on Ariston gas boilers. It provides the control board with a resistance-based temperature reading so the appliance can regulate heating and domestic hot water accurately. It is fitted across the CLAS Premium EVO System and Genus ONE System ranges.
Signs this part needs replacing
- Boiler locks out or fails to fire, with a temperature-related fault code logged
- Heating or hot water temperature reads incorrectly on the display
- Domestic hot water temperature fluctuates or runs hot and cold
- Radiators reach temperature erratically despite correct settings
- Intermittent shutdowns once the appliance has warmed up
Before you order
- Confirm your appliance model appears in the fits list above
- Check the part number marked on the existing sensor against 65122300
- Inspect the sensor lead and connector for damage before fitting
- If your model is not listed, check it against the manufacturer's parts list
Compliance
| Alternative numbers | 1578180 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON CLAS PREMIUM EVO SYSTEM 18 | — | — | — | |
| ARISTON CLAS PREMIUM EVO SYSTEM 18 EU | — | — | — | |
| ARISTON CLAS PREMIUM EVO SYSTEM 24 | — | — | — | |
| ARISTON CLAS PREMIUM EVO SYSTEM 24 EU | — | — | — | |
| ARISTON CLAS PREMIUM EVO SYSTEM 35 | — | — | — | |
| ARISTON CLAS PREMIUM EVO SYSTEM 35 EU | — | — | — | |
| ARISTON GENUS ONE SYSTEM 12 | — | — | — | |
| ARISTON GENUS ONE SYSTEM 18 | — | — | — | |
| ARISTON GENUS ONE SYSTEM 24 | — | — | — | |
| ARISTON GENUS ONE SYSTEM 30 | — | — | — |
Showing 10 of 11 compatible appliances.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
