
Potterton
Potterton Plug 1/4 Inch 5139841
A 1/4 inch threaded plug from Potterton, part 5139841, for Potterton Commercial NXR4I series boilers.
£2.52
£2.10 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 1/4 inch plug, part 5139841, is a threaded plug supplied for Potterton Commercial NXR4I series boilers. It closes and seals a threaded port on the appliance. The part is classified under gas boiler spares.
Signs this part needs replacing
- Visible weeping or dampness around the plug
- Persistent gas odour at the plug on gas-side applications
- Corrosion, scale or thread damage on the plug
- Signs of seepage after servicing or re-pressurisation
- The plug turns without tightening or fails to seal
Before you order
- Confirm the thread size is 1/4 inch, as stated in the product name
- Match the appliance model against the fits list above
- Check the part number 5139841 against the appliance documentation or the removed plug
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL NXR4I 10 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4I 11 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4I 12 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4I 13 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4I 14 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4I 8 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4I 9 SECTION | — | — | — | |
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — |
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.
