Potterton
Potterton PCB (FS90) 5142462
Potterton PCB (FS90) 5142462 complete printed circuit board for Sirius 2 and Sirius 3 FS90 and FS110 commercial boilers.
£259.20
£216.00 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 PCB (FS90) is the complete printed circuit board used on Potterton Commercial Sirius series boilers. It carries the control and sequencing electronics for the appliance, handling firing, monitoring and safety interlocks. This board is supplied as a complete PCB assembly, part number 5142462.
Signs this part needs replacing
- Boiler fails to fire or will not run through its start sequence
- Repeated lockouts or fault codes that clear only temporarily
- No response from the fan, pump or ignition sequence when demand is present
- Visible damage to the board, such as burnt tracks, scorching or a blown on-board fuse
- Intermittent operation that changes with temperature or after the appliance has run for a while
Before you order
- Confirm the boiler model against the fitment list above before ordering
- Check the existing board's part number and connector layout match this PCB
- Isolate the electrical supply and follow the appliance manufacturer's instructions for board removal and refitting
- Verify any associated sensors, fuses and wiring are sound, since a faulty component elsewhere can damage a replacement board
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS110 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS90 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS90 | — | — | — |
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.
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