Ariston
Ariston Return Group 65116889
Return group assembly for Ariston CLAS System ONE and E-System ONE boilers, manufacturer part 65116889.
At a glance
- Also known as 8903817
£46.97
£39.14 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 65116889 Return Group is a hydraulic assembly used on Ariston CLAS System ONE and E-System ONE boilers. It forms the return side of the appliance water circuit, carrying heating water back into the boiler. It is supplied as a manufacturer part for service and repair.
Signs this part needs replacing
- Water weeping or dripping from the return group connections
- Corrosion or scale build-up on the return pipework or fittings
- Loss of system pressure traced to the return side
- Kettling or unusual noise from the return assembly
- Visible damage or deformation to the return group body
Before you order
- Confirm the boiler model against the fit list above
- Check the existing return group for its part number marking
- Inspect seals and connections for damage before fitting
Compliance
| Alternative numbers | 8903817 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| 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-SYSTEM ONE 24 | 41-116-47 | 41-116-47 | — | — |
| ARISTON E-SYSTEM ONE 30 | 41-116-48 | 41-116-48 | — | — |
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 technical questions yet for this part.
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