Worcester Bosch
Worcester Bosch Printed Circuit Board 87483004880
At a glance
- Part type: Printed circuit board (PCB)
- Appliance family: SI II and RD RSF
- Also known as 1020381, N1048-1
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
£353.26
£294.38 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 87483004880 is a printed circuit board (PCB) used in the manufacturer's SI II and RD series gas boilers. It is the main control board, handling the ignition sequence, fan and pump control, gas valve operation and temperature monitoring. The board sits within the appliance's electrical control circuit and is matched to the specific SI II and RD RSF variants listed below.
Signs this part needs replacing
- The boiler fails to fire or drops into lockout shortly after a demand for heat or hot water.
- No display, blank display or repeated fault codes on the appliance fascia.
- Fan, pump or ignition sequence behaves erratically, or the boiler runs for a short period then shuts down.
- Visible scorching, discoloured tracks or swollen capacitors on the existing board.
- Intermittent operation that changes with temperature or after the appliance has been disturbed.
Before you order
- Check the GC number and appliance serial plate to confirm the correct board variant for your model.
- Confirm the existing board's part number matches 87483004880 before ordering.
- 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 | SI II / RD RSF |
Compliance
| Manufacturer part number (MPN) | 87483004880 |
|---|---|
| GC number | H02-152 |
| Barcode / EAN | 4010009666059 |
| Commodity code | 8537 10 90 90 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | WB87483004880, 1020381, N1048-1 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER 24 SI II RSF NG | 47-311-65 | 47-311-65 | — | — |
| WORCESTER 28 SI II RSF NG | 47-311-67 | 47-311-67 | — | — |
| WORCESTER BRITISH GAS RD628 RSF | 47-108-14 | 47-108-14 | — | — |
| WORCESTER WORCESTER 24SI II RSF NATURAL GAS | — | — | — | |
| WORCESTER WORCESTER 28SI II RSF NATURAL GAS | — | — | — | |
| WORCESTER WORCESTER RD 628 NATURAL GAS | — | — | — |
Documents & drawings
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