Ariston
Ariston Printed Circuit Board 6500891400
Main printed circuit board for Ariston CLAS ONE, CLAS System ONE, E-Combi ONE and E-System ONE boilers.
At a glance
- Also known as 1578073
£264.74
£220.62 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 main printed circuit board (P.C.B.) for Ariston gas boilers, supplied under part number 6500891400. It is the primary control board that manages ignition, modulation, pump and fan operation, and safety monitoring on the appliance. It is used across the CLAS ONE, CLAS System ONE, E-Combi ONE and E-System ONE ranges.
Signs this part needs replacing
- Boiler fails to fire or runs through the start sequence without igniting
- No display, blank screen or unresponsive control panel
- Repeated lockouts or fault codes that clear only temporarily
- Erratic fan, pump or modulation behaviour not explained by other components
- Board shows signs of heat damage, moisture ingress or burnt tracks
Before you order
- Confirm your boiler model against the fitment list above, using the model badge and GC number where available
- Check the part number printed on the existing board matches 6500891400
- Establish whether the fault lies with the main board or a separate user interface or sensor before ordering
- Isolate the electrical supply and follow the manufacturer's wiring and configuration procedure on fitting
Mechanical
| Part type | PRINTED CIRCUIT BOARDS |
|---|
Compliance
| Manufacturer part number (MPN) | 6500891400 |
|---|---|
| Alternative numbers | 1578073 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON CLAS NET ONE 24 UK | 47-116-88 | 47-116-88 | — | — |
| ARISTON CLAS NET ONE 30 UK | 47-116-89 | 47-116-89 | — | — |
| ARISTON CLAS NET ONE 38 UK | 47-116-90 | 47-116-90 | — | — |
| ARISTON CLAS ONE 24 UK | 47-116-85 | 47-116-85 | — | — |
| ARISTON CLAS ONE 30 UK | 47-116-86 | 47-116-86 | — | — |
| ARISTON CLAS ONE 38 UK | 47-116-87 | 47-116-87 | — | — |
| ARISTON CLAS SYSTEM ONE 18 UK | 41-116-49 | 41-116-49 | — | — |
| ARISTON CLAS SYSTEM ONE 24 UK | 41-116-50 | 41-116-50 | — | — |
| ARISTON CLAS SYSTEM ONE 30 UK | 41-116-51 | 41-116-51 | — | — |
| ARISTON E-COMBI ONE 24 | 47-116-83 | 47-116-83 | — | — |
Showing 10 of 13 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 — CLAS NET ONE 24 UK (GC 47-116-88), CLAS NET ONE 30 UK (GC 47-116-89), CLAS NET ONE 38 UK (GC 47-116-90), CLAS ONE 24 UK (GC 47-116-85), CLAS ONE 30 UK (GC 47-116-86), CLAS ONE 38 UK (GC 47-116-87), CLAS SYSTEM ONE 18 UK (GC 41-116-49), CLAS SYSTEM ONE 24 UK (GC 41-116-50), CLAS SYSTEM ONE 30 UK (GC 41-116-51)
manualmanualARISTON appliance manual — E-COMBI ONE 24 (GC 47-116-83), E-COMBI ONE 30 (GC 47-116-84), E-SYSTEM ONE 24 (GC 41-116-47), E-SYSTEM ONE 30 (GC 41-116-48)
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