
Ariston
Ariston Service Kit - Main Flowswitch 570720
Service kit for the main circuit flowswitch on Ariston Challenger and Eurocombi SX 20 MFFI boilers.
At a glance
- Also known as 1571144
£42.00
£35.00 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
A service kit for the main circuit flowswitch, manufactured by Ariston and supplied under part number 570720. It is used on Ariston Challenger and Eurocombi SX 20 MFFI boiler appliances. The kit provides the components required to service or restore the main circuit flowswitch so the boiler can sense water flow and operate correctly.
Signs this part needs replacing
- The boiler does not fire on a hot water or heating demand despite water circulating
- Repeated lockouts or fault codes linked to water flow not being detected
- Intermittent operation that varies with pump or flow conditions
- The flowswitch is sluggish, sticking or slow to respond
- Visible wear, contamination or damage to the flowswitch assembly during servicing
Before you order
- Confirm your boiler model against the fitment list above
- On Eurocombi SX 20 MFFI CE models, check the serial number is at or above the stated range
- Check the existing part number on the appliance matches 570720
- Confirm whether your model is the LPG or NG Prog. MEC Edition 1 variant where applicable
Compliance
| Barcode / EAN | 5411692069797 |
|---|---|
| Alternative numbers | 1571144 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ARISTON CHALLENGER 80E | — | — | — | |
| ARISTON ARISTON EUROCOMBI SX20 MFFI CE - FROM SERIAL No 95020000 | — | — | — | |
| ARISTON ARISTON EUROCOMBI SX20 MFFI CE - FROM SERIAL No 96010000 | — | — | — | |
| ARISTON CHALLENGER 80E | 47-116-05 | 47-116-05 | — | — |
| ARISTON SX 20 MFFI CE LPG PROG. MEC EDITION 1 (JULY 2007) | — | — | — | |
| ARISTON SX 20 MFFI CE NG PROG. MEC EDITION 1 (JULY 2007) | 47-116-02 | 47-116-02 | — | — |
Documents & drawings
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