Ariston
Ariston Secondary Heat Exchanger 65102356
Secondary heat exchanger for Ariston ACO 32 MFFI, GPL and MET boilers, transferring heat to the domestic hot water supply.
At a glance
- Appliance family: ACO 32 MFFI
- Also known as 8903659
£142.94
£119.12 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 65102356 is a secondary heat exchanger used in the ACO 32 MFFI family of gas boilers. It transfers heat from the primary circuit to the domestic hot water supply. This component is specific to the Ariston ACO 32 MFFI range.
Signs this part needs replacing
- Domestic hot water runs cool or fluctuates while central heating works normally
- Reduced hot water flow rate at the taps
- Limescale or debris build-up causing restricted flow through the exchanger
- Water leaking from the exchanger body or its connections
- Heating works but no hot water is produced
Before you order
- Confirm your boiler model is an Ariston ACO 32 MFFI, ACO 32 MFFI GPL or ACO 32 MFFI MET
- Check the GC number on the appliance data badge against the numbers listed above
- Verify the part number 65102356 matches the component being replaced
- Isolate the boiler and drain the system before fitting
Compliance
| Alternative numbers | 8903659 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ACO 32 MFFI GPL | 47-116-35 | 47-116-35 | — | — |
| ARISTON ACO 32 MFFI MET | 47-116-35 | 47-116-35 | — | — |
| ARISTON ARISTON ACO 32 MFFI | — | — | — |
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.