Potterton
Potterton Duo Exchanger FS110 5142344
Heat exchanger for Potterton Commercial Sirius 2 and Sirius 3 FS-series commercial gas boilers.
£3,106.80
£2,589.00 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
The Potterton Duo Exchanger (FS110) is a heat exchanger for Potterton Commercial Sirius 2 and Sirius 3 commercial gas boilers. It transfers heat from the combustion gases to the system water. It is identified by part number 5142344.
Signs this part needs replacing
- Water leaking from the exchanger body or its connections
- Reduced heat output or the boiler failing to reach temperature
- Kettling, banging or overheating during operation
- Combustion faults or condensate issues traced to the exchanger
Before you order
- Confirm the appliance model matches one of the Sirius 2 or Sirius 3 FS variants listed
- Check the part number 5142344 against the component being replaced
- Verify the boiler is a Potterton Commercial unit
- Ensure the replacement is carried out by a qualified gas engineer
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS110 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS90 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS110 | — | — | — |
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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