
Potterton
Potterton PCB 3 5139791
Potterton PCB 3 control board for Potterton Commercial IHE 100/300 and IHE 150/300 boilers.
£401.74
£334.78 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 PCB 3 is a printed circuit board supplied by Potterton for its commercial boiler range. It is listed as the LMS Board 3 and carries the manufacturer part number 5139791. The board controls the operating sequence and electrical functions of the appliance it is fitted to.
Signs this part needs replacing
- The boiler fails to start or run through its ignition sequence
- Repeated lockouts or fault codes that clear only temporarily
- No response from the controls, display or pump and fan outputs
- Visible heat damage, corrosion or burn marks on the board
- Erratic or intermittent operation traced to the control board
Before you order
- Confirm the appliance model is listed in the Fits section above
- Check the existing board and its part number against 5139791
- Verify the fault lies with the board rather than wiring, sensors or the supply
- Note any fault codes shown before removing the existing board
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL IHE 100/300 | — | — | — | |
| POTTERTON COMMERCIAL IHE 150/300 | — | — | — | |
| 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.
