Worcester Bosch
Worcester Bosch Printed Circuit Board Heatronic II 87483003130
At a glance
- Part type: Printed circuit board (PCB)
- Also known as WB87483003130, 1020357, N0538-1
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
£284.33
£236.94 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 Heatronic II printed circuit board is the main control board used in Worcester Bosch 26 CDi RSF and 26CDi XTRA RSF gas boilers. It manages the boiler's sequencing and safety logic, handling ignition, fan and pump control, temperature regulation and fault monitoring. The board is supplied by Worcester Bosch under part number 87483003130 and is listed against GC number E04-591.
Signs this part needs replacing
- The boiler fails to fire or will not run through its start sequence
- Repeated lockouts or fault codes appearing on the display
- Heating or hot water cutting out intermittently with no obvious mechanical cause
- No response from the controls, or the boiler running with the pump and fan inactive
- Visible heat damage, corrosion or moisture tracking on the board itself
Before you order
- Check the GC number and appliance serial number against the compatibility list to confirm the board matches your boiler variant.
- Compare the numbers printed on the existing board with 87483003130 and the alternative numbers listed above 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 Boards (PCB) |
|---|---|
| Length | 0.1mm |
| Width | 0.1mm |
| Depth | 0.1mm |
Compliance
| Manufacturer part number (MPN) | 87483003130 |
|---|---|
| GC number | E04-591 |
| Barcode / EAN | 4010009739272 |
| Commodity code | 8537 10 00 00 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | WB87483003130, 8-748-300-313-0, WB87483003130, 1020357, N0538-1 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER 26 CDI RSF NG | 47-311-41 | 47-311-41 | — | — |
| WORCESTER 26 CDI XTRA RSF LPG | 47-311-42 | 47-311-42 | — | — |
| WORCESTER 26 CDI XTRA RSF NG | 47-311-41 | 47-311-41 | — | — |
| WORCESTER WORCESTER 26CDi XTRA RSF LPG | — | — | — | |
| WORCESTER WORCESTER 26CDi XTRA RSF NATURAL GAS | — | — | — |
Documents & drawings
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