Worcester Bosch
Worcester Bosch control box unit 87172078330 (before FD206)
At a glance
- Also known as 1020399, N6469
- Have the control box replaced and the boiler recommissioned by a Gas Safe registered engineer
Showing prices
£127.06
£105.88 ex. VAT · VAT at 20%
Out of stock — order for next delivery
Call 01302 279234 to check availability
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The 87172078330 is a control box unit complete with PCB, fitted to Worcester Greenstar conventional boilers manufactured before the FD206 date code. The control box houses the boiler's main printed circuit board and switching, governing ignition, pump and valve operation.
Signs this part needs replacing
- Boiler fails to power on, or display/controls are dead
- Intermittent lockouts with no consistent fault code
- Burning smell or visible damage/corrosion on the PCB
- Pump, fan or valve not responding to the control box's commands
Before you order
- Check your boiler's date/serial code against the FD206 cut-off before ordering this part rather than its successor
- Isolate electrical power to the boiler before any work on the control box
- Have the control box replaced and the boiler recommissioned by a Gas Safe registered engineer
Mechanical
| Part type | CONTROL BOXES |
|---|
Compliance
| Manufacturer part number (MPN) | 87172078330 |
|---|---|
| GC number | H64-217 |
| Barcode / EAN | 4010009152910 |
| Alternative numbers | WB87172078330, 1020399, N6469 |
| 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 40CDI CONVENTIONAL LPG | 41-311-74 | 41-311-74 | — | — |
| WORCESTER GREENSTAR 40CDI CONVENTIONAL NG | 41-311-72 | 41-311-72 | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.