
Potterton
Potterton O-Ring Gasket 5142363
Potterton 5142363 O-ring gasket measuring 17.86mm x 2.62mm, for Potterton Commercial Sirius 2 and Sirius 3 FS50 and FS70 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 5142363 is an O-ring gasket measuring 17.86mm x 2.62mm, listed for use in Potterton Commercial boiler appliances. It forms a fluid-tight seal at the joint where it is fitted, preventing leakage from the assembly. It is specified for the Sirius 2 and Sirius 3 FS50 and FS70 models.
Signs this part needs replacing
- Water weeping or dripping from the joint the O-ring seals
- Visible flattening, cracking or perishing of the ring
- Hardened or brittle rubber that no longer seals correctly
- Scale or corrosion deposits around the sealing face
Before you order
- Confirm the existing O-ring measures 17.86mm x 2.62mm before ordering
- Check the appliance model against the Sirius 2 or Sirius 3 FS50 and FS70 listings
- Inspect the sealing face for damage, debris or corrosion before fitting
- Confirm part number 5142363 matches the requirement
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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