
Ariston
Ariston Thermostat 65104500
Ariston thermostat 65104500, a boiler thermostat used across CLAS and EGIS gas boiler models.
£16.10
£13.42 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 65104500 is a boiler thermostat supplied for Ariston gas boiler appliances. It forms part of the boiler's temperature control circuit, sensing and regulating water temperature so the appliance maintains the set point. It is listed in the manufacturer's spares range under the thermostat category.
Signs this part needs replacing
- The boiler fails to fire or cuts out before reaching the set temperature
- Domestic hot water or heating runs consistently hot or cold regardless of the setting
- The appliance cycles on and off more frequently than normal
- Temperature control becomes erratic or unresponsive to adjustment
- The boiler locks out during a demand for heat
Before you order
- Confirm your appliance model against the fitment list above, including any edition or market variant
- Check the part number on the existing thermostat matches 65104500
- Verify the appliance is a gas boiler from the CLAS or EGIS range
- Check whether your model is an FF, CF or System variant, as fitment differs across the range
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ARISTON CLAS 21 FF SYSTEM | — | — | — | |
| ARISTON ARISTON CLAS 24 FF | — | — | — | |
| ARISTON ARISTON CLAS 28 FF | — | — | — | |
| ARISTON ARISTON CLAS 28 FF SYSTEM | — | — | — | |
| ARISTON ARISTON CLAS 32 FF SYSTEM | — | — | — | |
| ARISTON AS 24 CF LPG | — | — | — | |
| ARISTON AS 24 CF NG | — | — | — | |
| ARISTON AS 24 FF LPG | — | — | — | |
| ARISTON AS 24 FF NG | — | — | — | |
| ARISTON CLAS 21 FF SYSTEM NG (IE) EDITION 3 (MAR 2008) | 41-116-27 | 41-116-27 | — | — |
Showing 10 of 26 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.
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