Potterton
Potterton Lower Insulation Boiler Body 5139889
Lower insulation for the boiler body on Potterton Commercial NXR4I boilers in 11 and 12 section configurations.
At a glance
- Part type: lower insulation, boiler body
£78.50
£65.42 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 lower insulation for the boiler body, supplied by Potterton under part number 5139889. It is the insulating section that fits the lower body of Potterton Commercial NXR4I boilers, sized for 11 and 12 section assemblies. Its function is to retain heat within the boiler body and limit surface heat loss.
Signs this part needs replacing
- Visible damage, cracking or crumbling of the lower body insulation
- Insulation that has become damp, compressed or detached from the body
- Localised heat marking or discolouration around the lower boiler body
- Increased surface temperature or heat loss from the lower casing
Before you order
- Confirm the boiler model is a Potterton Commercial NXR4I
- Confirm the number of sections the boiler body is built from
- Check the existing part number against 5139889 before ordering
- Inspect the full lower body insulation for any further damaged sections
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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