Worcester Bosch
Worcester Bosch Printed Circuit Board 8748300911
At a glance
- Part type: Printed circuit board
- Appliance family: Greenstar CDi regular and conventional
- Also known as 1030754
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
£120.00
£100.00 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 Worcester Bosch 8748300911 is a printed circuit board used across the Greenstar CDi regular and conventional range. It is the main control board, managing ignition sequencing, burner modulation, fan and pump operation, and the safety interlocks that shut the appliance down when a fault is detected. It is supplied as a service replacement for the factory-fitted board and connects to the existing wiring harness and mounting points.
Signs this part needs replacing
- The appliance fails to fire or drops into lockout with no mechanical cause found
- A blank, flickering or unresponsive control panel display
- Fault codes that return immediately after a reset
- Fan, pump or ignition sequence not starting when demand is present
- Visible scorching, burning or damaged tracks and components on the board
Before you order
- Check the GC number and the appliance data badge to confirm the board matches your model.
- Compare the board against the previous part numbers listed below, as older items may be replaced by this one.
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Printed Circuit Board |
|---|---|
| Appliance family | Greenstar CDi Regular and Conventional |
Compliance
| Manufacturer part number (MPN) | 8748300911 |
|---|---|
| GC number | H99-330 |
| Commodity code | 8537 10 00 00 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | WB8748300911, 8-748-300-699-0, 87483008280, 1030754 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 30CDI CONVENTIONAL LPG | 41-311-73 | 41-311-73 | — | — |
| WORCESTER GREENSTAR 30CDI CONVENTIONAL NG | 41-311-71 | 41-311-71 | — | — |
| WORCESTER GREENSTAR 30CDI ErP CLASSIC REGULAR LPG | 41-406-34 | 41-406-34 | — | — |
| WORCESTER GREENSTAR 30CDI ErP CLASSIC REGULAR NG | 41-406-33 | 41-406-33 | — | — |
| WORCESTER GREENSTAR 40CDI CONVENTIONAL LPG | 41-311-74 | 41-311-74 | — | — |
| WORCESTER GREENSTAR 40CDI CONVENTIONAL NG | 41-311-72 | 41-311-72 | — | — |
| WORCESTER GREENSTAR 40CDI ErP CLASSIC REGULAR LPG | 41-406-36 | 41-406-36 | — | — |
| WORCESTER GREENSTAR 40CDI ErP CLASSIC REGULAR NG | 41-406-35 | 41-406-35 | — | — |
| WORCESTER GREENSTAR RSF COMBI NG | 47-311-44 | 47-311-44 | — | — |
| WORCESTER GREENSTAR ZWBR 11-25 A31 LPG | 47-311-45 | 47-311-45 | — | — |
Showing 10 of 14 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 30CDI CONVENTIONAL LPG (GC 41-311-73), GREENSTAR 30CDI CONVENTIONAL NG (GC 41-311-71), GREENSTAR 40CDI CONVENTIONAL LPG (GC 41-311-74), GREENSTAR 40CDI CONVENTIONAL NG (GC 41-311-72)
manualmanualWORCESTER appliance manual — GREENSTAR 30CDI ErP CLASSIC REGULAR LPG (GC 41-406-34), GREENSTAR 30CDI ErP CLASSIC REGULAR NG (GC 41-406-33), GREENSTAR 40CDI ErP CLASSIC REGULAR LPG (GC 41-406-36), GREENSTAR 40CDI ErP CLASSIC REGULAR NG (GC 41-406-35)
manualmanualWORCESTER appliance manual — GREENSTAR RSF COMBI NG (GC 47-311-44), GREENSTAR ZWBR 11-25 A31 LPG (GC 47-311-45)
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