Potterton
Potterton Wiring Harness X40 5142446
Potterton X40 wiring harness, part number 5142446, for Potterton Commercial Sirius 2 and Sirius 3 FS boilers.
£16.80
£14.00 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 Wiring Harness (X40), part number 5142446, is a wiring harness supplied for Potterton Commercial boilers. It forms part of the internal electrical wiring on the Sirius 2 and Sirius 3 FS range, connecting components within the appliance. The harness is listed under Potterton Commercial spares for boiler type applications.
Signs this part needs replacing
- Visible damage to the harness insulation, such as cuts, chafing or heat marking
- Connectors that are loose, corroded or no longer latch securely
- Intermittent electrical faults or component function that changes when the harness is moved
- Burn marks or discoloured wiring ends at a plug or terminal
- Continuity faults traced along the harness during electrical testing
Before you order
- Confirm the appliance model against the fit list above, as the harness is listed for Sirius 2 and Sirius 3 FS boilers
- Check the part number 5142446 against the existing harness or the appliance documentation
- Inspect the fault on the appliance to confirm the harness is the cause rather than another electrical component
- Check the condition of the mating connectors before fitting
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 FS50 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS70 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS90 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS110 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS130 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS150 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS200 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS250 | — | — | — |
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.
POTTERTON COMMERCIAL appliance manual — SIRIUS 2 FS110, SIRIUS 2 FS50, SIRIUS 2 FS70, SIRIUS 2 FS90
manualmanualPOTTERTON COMMERCIAL appliance manual — SIRIUS 3 FS110, SIRIUS 3 FS50, SIRIUS 3 FS70, SIRIUS 3 FS90
manualmanualPOTTERTON COMMERCIAL appliance manual — SIRIUS 3 FS130, SIRIUS 3 FS150, SIRIUS 3 FS200, SIRIUS 3 FS250
manualNo technical questions yet for this part.
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