
Potterton
Potterton NXR4 Flow and Return Flange COM17000766
Potterton NXR4 flow and return flange, 125mm, for Potterton Commercial NXR4 series boilers.
At a glance
- Appliance family: NXR4
£140.40
£117.00 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 a Potterton flow and return flange supplied under part number COM17000766, identified as an NXR4 flow and return flange. It is a 125mm flange used on Potterton Commercial NXR4 series boiler installations, forming the connection point where flow and return pipework meets the appliance. The part is listed as obsolete by the manufacturer's commercial spares range.
Signs this part needs replacing
- Visible weeping or staining at the flange joint where it meets the boiler
- Corrosion or pitting on the flange face or stud holes
- Difficulty achieving a seal on reassembly after pipework work
- Distortion of the flange face, causing persistent joint leakage
- Leaks that reappear shortly after retightening the flange bolts
Before you order
- Confirm the appliance is an NXR4 series boiler and note the section count against the fit list
- Check the flange size on the existing part matches 125mm
- Inspect the mating pipework and gasket face for damage before fitting
- Verify the part number COM17000766 against the appliance documentation
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL NXR4 10 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4 11 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4 12 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4 13 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4 14 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4 15 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4 16 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4 17 SECTION | — | — | — | |
| POTTERTON COMMERCIAL NXR4 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.
