Potterton
Potterton Nozzle Gasket 5142339
Nozzle gasket 5142339 for Potterton Commercial Sirius 2 and Sirius 3 FS50 and FS70 boilers.
£11.40
£9.50 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 GASKET - NOZZLE 80/125 is a nozzle gasket supplied by Potterton for its commercial boiler range. It seals the nozzle joint on Potterton Commercial Sirius appliances, helping to keep that connection gas-tight. The part is listed under part number 5142339.
Signs this part needs replacing
- Visible cracking, hardening or flattening of the gasket material
- Weeping, staining or soot marks around the nozzle joint
- Combustion readings drifting outside the expected range for the appliance
- Residue or damage found at the nozzle mounting face during servicing
Before you order
- Confirm the appliance model against the fitment list above
- Check the existing part number is 5142339
- Inspect the nozzle and mounting face for damage before fitting a new gasket
- Have the appliance isolated and any required combustion checks planned for after fitting
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS50 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS70 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS50 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS70 | — | — | — |
Documents & drawings
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