Potterton
Potterton Tightness Gasket 5142331
Tightness gasket measuring 9mm x 2mm, Potterton part 5142331, for Potterton Commercial Sirius 2 and Sirius 3 boilers.
£2.40
£2.00 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 tightness gasket, part number 5142331, is a sealing gasket measuring 9mm x 2mm. It is used on Potterton Commercial Sirius 2 and Sirius 3 boiler appliances, where it seals a joint to maintain tightness. The gasket is a small service component and is renewed when the joint it serves is disturbed or no longer seals correctly.
Signs this part needs replacing
- Visible leakage or weeping at the joint the gasket seals
- Water or residue marks around the joint face on inspection
- Gasket found flattened, hardened or deformed when the joint is opened
- Joint failing to hold tightness during a service check
- Gasket damaged or torn on removal of the adjoining component
Before you order
- Confirm the gasket dimensions, 9mm x 2mm, match the joint being worked on
- Check the appliance model against the Sirius 2 and Sirius 3 list above
- Confirm the part number 5142331 against the existing component or parts listing
- Consider how many joints require renewal before ordering
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 FS50 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS70 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS90 | — | — | — |
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.