
Ariston
Ariston Main Flow Switch 570490
Main circuit flow switch for the Ariston STYX SX 20 M gas boiler, from serial number 92010000.
At a glance
- Part type: main circuit flow switch
- Also known as 1572660
£95.58
£79.65 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 570490 is a main circuit flow switch for Ariston gas boilers. It monitors water flow through the boiler's main circuit and signals the control board when circulation is established. This part is listed for the Ariston STYX SX 20 M.
Signs this part needs replacing
- Boiler fails to fire when there is a demand for heating or hot water
- Intermittent lockouts or ignition faults that clear on reset
- Pump runs but the boiler does not respond to water flow
- No flow signal detected at the control board
Before you order
- Confirm the boiler model is the Ariston STYX SX 20 M
- Check the boiler serial number is 92010000 or later
- Compare the part number on the existing switch with 570490
- If the serial number cannot be read, check the manufacturer's parts list for your appliance
Compliance
| Barcode / EAN | 5411692067496 |
|---|---|
| Alternative numbers | 1572660 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ARISTON STYX SX 20 M - FROM SERIAL No 92010000 | — | — | — |
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.
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