Potterton
Potterton Additional Lower Baffle Plate 5139877
Additional lower baffle plate 5139877 for Potterton Commercial NXR4I gas boilers.
At a glance
- Appliance family: NXR4I commercial range
£45.02
£37.52 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 ADDITIONAL LOWER BAFFLE PLATE is a Potterton Commercial component for NXR4I gas boilers. It sits in the lower section of the heat exchanger, where it directs flue gas flow across the heat transfer surfaces to support efficient combustion and heat recovery. The part is supplied under manufacturer part number 5139877.
Signs this part needs replacing
- Visible corrosion, scaling or distortion of the existing baffle plate
- Soot or carbon deposits collecting around the lower heat exchanger section
- Poor combustion readings or reduced heat transfer performance
- Baffle plate loose, displaced or missing from its location
- Overheating symptoms traced to incorrect flue gas path through the heat exchanger
Before you order
- Confirm the boiler model and section count match the NXR4I variants listed above
- Check the existing baffle position and condition before ordering a replacement
- Verify the part number 5139877 against the appliance data plate and any service documentation
- Confirm whether the boiler requires one or more baffle plates at this position
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.