
Worcester Bosch
Worcester Bosch Printed Circuit Board 8748300922
At a glance
- Part type: Printed Circuit Boards (PCB)
- Also known as WB8748300922, 1038190
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
£137.00
£114.17 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 8748300922 is a printed circuit board (PCB) supplied for Worcester Bosch Greenstar Junior appliances. It is the electronic control board for the unit, carrying out a key function in the appliance's operating sequence and supporting reliable, consistent performance. The board is listed under Worcester Bosch spare part type Printed Circuit Boards (PCB) and is used across the Greenstar Junior MK5 and Greenstar Junior Combi ranges.
Signs this part needs replacing
- The boiler fails to respond when a demand for heating or hot water is made.
- The appliance locks out repeatedly or will not complete its ignition sequence.
- The display is blank, flickering or showing inconsistent information.
- The fan, pump or other controlled components do not run when expected.
- Operation becomes erratic, with the boiler cutting in and out without a clear cause.
Before you order
- Check the GC number and model plate on the appliance against the compatibility list above before ordering.
- Compare the part number on the board currently fitted with the alternative and previous numbers listed below, as more than one board has been used across this range.
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Printed Circuit Boards (PCB) |
|---|---|
| Length | 0.1mm |
| Width | 0.1mm |
| Depth | 0.1mm |
Compliance
| Manufacturer part number (MPN) | 8748300922 |
|---|---|
| GC number | J08-366 |
| Barcode / EAN | 8748300922 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | WB8748300922, 8-748-300-742-0, 87483008690, 1038190 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 24I JUNIOR MK5 LPG | 47-406-55 | 47-406-55 | — | — |
| WORCESTER GREENSTAR 24I JUNIOR MK5 NG | 47-406-54 | 47-406-54 | — | — |
| WORCESTER GREENSTAR 28I JUNIOR MK5 LPG | 47-406-57 | 47-406-57 | — | — |
| WORCESTER GREENSTAR 28I JUNIOR MK5 NG | 47-406-56 | 47-406-56 | — | — |
| WORCESTER WORCESTER GREENSTAR 24I JUNIOR COMBI LPG | — | — | — | |
| WORCESTER WORCESTER GREENSTAR 24I JUNIOR COMBI NG | — | — | — | |
| WORCESTER WORCESTER GREENSTAR 28I JUNIOR COMBI LPG | — | — | — | |
| WORCESTER WORCESTER GREENSTAR 28I JUNIOR COMBI NG | — | — | — |
Documents & drawings
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