
Ariston
Ariston Return Group 65103498
Return group for the Ariston ACO 35 HP MFFI UK boiler, part number 65103498.
At a glance
- Part type: return group
- Appliance family: ACO 35 HP MFFI UK
- Also known as 1597631
£198.98
£165.82 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 65103498 is a return group for the Ariston ACO 35 HP MFFI UK boiler. It forms part of the appliance's hydraulic circuit, handling the return side of the heating water path. It is supplied as a single assembly identified by the manufacturer's part number 65103498.
Signs this part needs replacing
- Water weeping or visible staining around the return group body or its connections
- Persistent pressure loss on the heating circuit that cannot be traced to other components
- Kettling, gurgling or unusual noise from the boiler during operation
- Poor or inconsistent heating performance linked to restricted flow through the return side
Before you order
- Confirm the boiler model is the Ariston ACO 35 HP MFFI UK
- Check the GC number on the appliance data badge against the fitment listed above
- Verify the existing part number 65103498 against the manufacturer's parts list for your appliance
Compliance
| Alternative numbers | 1597631 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ACO 35 HP MFFI UK | 47-116-35 | 47-116-35 | — | — |
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.
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