
Potterton
Potterton PCB Complete FS50 5142460
Potterton Commercial printed circuit board (FS50) for Sirius 2 and Sirius 3 boilers, part 5142460.
£237.60
£198.00 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
The Potterton PCB (FS50) is the printed circuit board assembly used on Potterton Commercial Sirius 2 and Sirius 3 boilers. It carries the control electronics that govern boiler sequencing, ignition and safety interlocks. This is the complete board, part number 5142460.
Signs this part needs replacing
- The boiler locks out repeatedly or fails to reach ignition
- No response from the controls, or the display stays blank
- Fan, pump or burner sequencing behaves erratically
- The board fuse blows again after replacement
- Visible heat damage, scorching or track failure on the PCB
Before you order
- Confirm the boiler model against the fitment list before ordering
- Check the part number on the existing board matches 5142460
- Note the connector layout and wiring order before removing the old board
- Isolate the electrical supply and follow the manufacturer's instructions for board removal
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS50 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS70 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS50 | — | — | — |
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.
