Ariston
Ariston Safety Thermostat 921024
Ranco safety thermostat for Ariston water heaters, acting as an overheat cut-out on the listed models.
At a glance
- Also known as 1575620
£39.70
£33.08 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 921024 is a safety thermostat, manufactured by Ranco, for Ariston water heaters. It acts as an overheat cut-out, interrupting the heat source if the appliance exceeds its safe operating temperature. The part is listed under Controls in the water heater spares range.
Signs this part needs replacing
- The appliance trips out on overheat and will not reset
- Repeated lockouts during normal operation
- No hot water because the safety cut-out has opened the circuit
- A continuity test shows the thermostat open when it should be closed
- Visible scorching, corrosion or loose terminals at the thermostat
Before you order
- Confirm your appliance model and serial number against the fitment list — several models are listed from a specific serial number onwards
- Check the thermostat fitted to your appliance carries the same part number or Ranco marking
- Isolate the power supply and allow the appliance to cool before removing the old thermostat
- Check the connections and mounting of the existing thermostat match the replacement before fitting
Compliance
| Barcode / EAN | 5411692198428 |
|---|---|
| Alternative numbers | 1575620 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ARISTON SUPERBRAVO 125 - FROM SERIAL No 970000000890035 | — | — | — | |
| ARISTON ARISTON SUPERBRAVO 150 - FROM SERIAL No 970000000893006 | — | — | — | |
| ARISTON ARISTON SUPERBRAVO 210 - FROM SERIAL No 970000000893007 | — | — | — | |
| ARISTON ARISTON SUPERBRAVO STDI 100 UK | — | — | — | |
| ARISTON ARISTON SUPERBRAVO STDI 125 UK | — | — | — | |
| ARISTON ARISTON SUPERBRAVO STDI 150 UK | — | — | — | |
| ARISTON ARISTON SUPERBRAVO STDI 210 UK | — | — | — | |
| ARISTON ARISTON SUPERBRAVO STDI 300 UK | — | — | — | |
| ARISTON ARISTON SUPERBRAVO STT 125 UK | — | — | — | |
| ARISTON ARISTON SUPERBRAVO STT 150 UK | — | — | — |
Showing 10 of 54 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.
ARISTON appliance manual — ST 50 EDITION 1 (JAN 1998), ST 50 EDITION 2 (JUNE 2002), STT 125 EDITION 1 (JAN 1998), STT 150 EDITION 1 (JAN 1998), STT 210 EDITION 1 (JAN 1998)
manualmanualARISTON appliance manual — SUPER BRAVO SB 125 EDITION 1 (JAN 1998), SUPER BRAVO SB 125 EDITION 2 (JUN 2002), SUPER BRAVO SB 150 EDITION 1 (JAN 1998), SUPER BRAVO SB 150 EDITION 2 (JUN 2002), SUPER BRAVO SB 210 EDITION 1 (JAN 1998), SUPER BRAVO SB 210 EDITION 2 (JUN 2002)
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