Potterton
Potterton System Fixing Nipple-Gasket 5141443
Potterton system fixing nipple-gasket, part 5141443, for Potterton Commercial Sirius 2 and Sirius 3 boilers.
£130.45
£108.71 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 system fixing nipple-gasket is a sealing component supplied by Potterton for use on Potterton Commercial boilers. It seals the joint at the system fixing nipple, preventing water loss from the connection. It is listed under the boiler gasket and washer category for the Potterton Commercial Sirius 2 and Sirius 3 ranges.
Signs this part needs replacing
- Water weeping or dripping from the system fixing nipple joint
- Visible scale, corrosion or staining around the nipple connection
- Gasket material hardened, flattened or cracked when the joint is disturbed
- Unexplained loss of system pressure traced to the nipple joint
- Seepage recurring after the joint is re-tightened
Before you order
- Confirm the appliance model against the fitment list for Sirius 2 and Sirius 3 units
- Check the part number on the existing component or the appliance documentation matches 5141443
- Inspect the nipple and surrounding joint for damage before refitting the gasket
- Verify the system is depressurised and drained as required before work begins
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH110 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH50 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH60 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH70 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH90 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 WH110 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 WH130 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 WH150 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 WH50 | — | — | — |
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 WH110, SIRIUS 2 WH50, SIRIUS 2 WH60, SIRIUS 2 WH70, SIRIUS 2 WH90
manualmanualPOTTERTON COMMERCIAL appliance manual — SIRIUS 3 WH110, SIRIUS 3 WH90
manualmanualPOTTERTON COMMERCIAL appliance manual — SIRIUS 3 WH130, SIRIUS 3 WH150
manualmanualPOTTERTON COMMERCIAL appliance manual — SIRIUS 3 WH50, SIRIUS 3 WH60, SIRIUS 3 WH70
manualNo technical questions yet for this part.
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