Potterton
Potterton Spring For Sensor Tube 5139838
Retaining spring for the sensor tube on Potterton Commercial NXR4I gas boilers, supplied under part number 5139838.
£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
This is the spring for the sensor tube, a Potterton Commercial spare listed under part number 5139838. It is a small retaining spring that holds the sensor tube in position within the appliance. It is used on Potterton Commercial NXR4I gas boilers.
Signs this part needs replacing
- The spring is missing from the sensor tube location after previous service work
- The spring is stretched, distorted or no longer holds the sensor tube securely
- The sensor tube sits loose or can be moved easily in its housing
- Corrosion or heavy scaling is visible on the spring
Before you order
- Confirm the appliance is a Potterton Commercial NXR4I and note the section count
- Check the existing sensor tube assembly to confirm this spring is the correct fitment
- Verify the part number 5139838 against the appliance's spare parts listing
- Check the sensor tube and its seals at the same time, as they are removed together during access
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.
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