Potterton
Potterton Lower Insulation Boiler Body 13 & 14 Section 5139890
Lower boiler body insulation for Potterton Commercial NxR4I boilers in 13 and 14 section configurations.
£111.97
£93.31 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 lower insulation for the boiler body, manufactured by Potterton Commercial and identified by part number 5139890. It is the insulating component that sits against the lower section of the boiler body, reducing heat loss from the heat exchanger casing. It is specified for 13 and 14 section versions of the appliance.
Signs this part needs replacing
- Visible damage, cracking or crumbling of the insulation material
- Insulation damp, saturated or stained from a leak or condensate
- Insulation detached or sagging away from the boiler body
- Increased casing temperature or heat loss from the lower boiler body
Before you order
- Confirm the section count of the boiler, as this insulation is specified for 13 and 14 section bodies
- Check whether the upper or lower body insulation is the one requiring replacement
- Verify the part number 5139890 against the appliance documentation before ordering
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.