Worcester Bosch
Worcester Bosch Printed Circuit Board 8748300919
Worcester Bosch printed circuit board 8748300919, supplied as a conversion kit to SMPS for Greenstar CDI Regular and Highflow CDI boilers.
At a glance
- Also known as 1030748
£189.73
£158.11 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 Worcester Bosch 8748300919 is a printed circuit board supplied as a conversion kit to SMPS (switch-mode power supply). It is the main control board for the appliance, handling the ignition sequence, fan and pump control, and safety interlocks. It is used across the Worcester Greenstar Fs CDI Regular and Greenstar Highflow CDI boiler ranges.
Signs this part needs replacing
- Boiler fails to power up, with a blank or unlit display
- Repeated lockouts or fault codes that return after a reset
- No ignition sequence, or the fan and pump not running when there is a demand
- Intermittent operation, or the boiler dropping out mid-cycle
- Visible damage, scorching or burnt tracks on the board
Before you order
- Check the model and product code on the appliance data badge against the Fits list above
- Confirm the part number on the existing board matches 8748300919
- Identify whether the appliance is an ErP or non-ErP Highflow variant, as these are listed separately
- Isolate the electrical supply before removing or fitting the board
Mechanical
| Part type | PRINTED CIRCUIT BOARDS |
|---|
Compliance
| Manufacturer part number (MPN) | 8748300919 |
|---|---|
| GC number | 725-383 |
| Alternative numbers | 1030748 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR FS30 CDI REGULAR | 41-406-62 | 41-406-62 | — | — |
| WORCESTER GREENSTAR FS30 CDI REGULAR LPG | 41-406-63 | 41-406-63 | — | — |
| WORCESTER GREENSTAR FS42 CDI REGULAR | 41-406-64 | 41-406-64 | — | — |
| WORCESTER GREENSTAR FS42 CDI REGULAR LPG | 41-406-65 | 41-406-65 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 440CDI LPG | 47-406-26 | 47-406-26 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 440CDI NG | 47-406-24 | 47-406-24 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 440CDi ErP LPG (7731600099) | 47-406-90 | 47-406-90 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 440CDi ErP LPG (7738100590) | 47-406-86 | 47-406-86 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 440CDi ErP NG (7731600098) | 47-406-89 | 47-406-89 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 440CDi ErP NG (7738100589) | 47-406-85 | 47-406-85 | — | — |
Showing 10 of 16 compatible appliances.
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.
WORCESTER appliance manual — GREENSTAR FS30 CDI REGULAR (GC 41-406-62), GREENSTAR FS30 CDI REGULAR LPG (GC 41-406-63), GREENSTAR FS42 CDI REGULAR (GC 41-406-64), GREENSTAR FS42 CDI REGULAR LPG (GC 41-406-65)
manualmanualWORCESTER appliance manual — GREENSTAR HIGHFLOW 440CDI LPG (GC 47-406-26), GREENSTAR HIGHFLOW 440CDI NG (GC 47-406-24), GREENSTAR HIGHFLOW 550CDI LPG (GC 47-406-25), GREENSTAR HIGHFLOW 550CDI NG (GC 47-406-27)
manualmanualWORCESTER appliance manual — GREENSTAR HIGHFLOW 440CDi ErP LPG (7731600099) (GC 47-406-90), GREENSTAR HIGHFLOW 440CDi ErP NG (7731600098) (GC 47-406-89), GREENSTAR HIGHFLOW 550CDi ErP LPG (7731600101) (GC 47-406-92), GREENSTAR HIGHFLOW 550CDi ErP NG (7731600100) (GC 47-406-91)
manualmanualWORCESTER appliance manual — GREENSTAR HIGHFLOW 440CDi ErP LPG (7738100590) (GC 47-406-86), GREENSTAR HIGHFLOW 440CDi ErP NG (7738100589) (GC 47-406-85), GREENSTAR HIGHFLOW 550CDi ErP LPG (7738100592) (GC 47-406-88), GREENSTAR HIGHFLOW 550CDi ErP NG (7738100591) (GC 47-406-87)
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