Description
PCB For Worcester Greenstar Boiler 873790949A0
The Worcester Greenstar Boiler PCB Compact 873790949A0 is a printed circuit board that ensures the proper functioning of the Worcester Greenstar gas boiler. It is a factory replacement part that comes with a 12-month warranty. This compact PCB is easy to install and compatible with a range of Worcester Greenstar boiler models.
This part fits the following boilers:
| Fits Appliance(s) | GC No. |
| 533 Compact | 47-406-58 |
| 533 Compact ErP | 47-406-83 |
| 535 Compact | 47-406-59 |
| 535 Compact ErP | 47-406-84 |
| Greenstar 28 CDI Compact | 47-406-44 |
| Greenstar 28 CDI Compact LPG | 47-406-45 |
| Greenstar 32 CDI Compact | 47-406-46 |
| Greenstar 32 CDI Compact LPG | 47-406-47 |
| Greenstar 36 CDI Compact | 47-406-48 |
| Greenstar 36 CDI Compact LPG | 47-406-49 |
| Greenstar 28 CDI Compact ERP | 47-406-77 (7733600054) |
| Greenstar 28 CDI Compact ERP LPG | 47-406-78 (7733600057) |
| Greenstar 32 CDI Compact ERP | 47-406-79 (7733600055) |
| Greenstar 32 CDI Compact ERP LPG | 47-406-80 (7733600058) |
| Greenstar 36 CDI Compact ERP | 47-406-81 (7733600056) |
| Greenstar 36 CDI Compact ERP LPG | 47-406-82 (7733600059) |
| Greenstar 27 i System Compact | 41-406-13 |
| Greenstar 27 i System Compact LPG | 41-406-14 |
| Greenstar 30 i System Compact | 41-406-15 |
| Greenstar 30 i System Compact LPG | 41-406-16 |
| Greenstar 27 i System Compact ERP | 41-406-58 (7733600060) |
| Greenstar 27 i System Compact ERP LPG | 41-406-59 (7733600061) |
| Greenstar 30 i System Compact ERP | 41-406-60 (7733600062) |
| Greenstar 30 i System Compact ERP LPG | 41-406-61 (7733600063) |
| Greenstar 25 SI Compact | 47-406-50 |
| Greenstar 25 SI Compact LPG | 47-406-51 |
| Greenstar 30 SI Compact LPG | 47-406-53 |
| Greenstar 30 SI Compact NG | 47-406-52 |
| Greenstar 25 SI Compact ERP | 47-406-73 (7733600050) |
| Greenstar 25 SI Compact ERP LPG | 47-406-74 (7733600051) |
| Greenstar 30 SI Compact ERP | 47-406-75 (7733600052) |
| Greenstar 30 SI Compact ERP LPG | 47-406-76 (7733600053) |
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above.
For any Worcester Products related products please clink below link :Worcester Spares
    Prices: Please note all prices are inclusive of VAT.
FAQs
1. What boilers is the Worcester Greenstar PCB 873790949A0 compatible with?
The PCB 873790949A0 fits multiple Worcester Greenstar models including 533 Compact, 535 Compact, Greenstar 28, 32, and 36 CDI Compact, iSystem Compact, and SI Compact series.
2. Does this PCB come with a warranty?
Yes, the Worcester Greenstar PCB 873790949A0 comes with a 12-month warranty.
3. Can I install this PCB myself?
While it is easy to install, it is recommended to have a Gas Safe registered engineer fit the PCB to ensure safety and proper operation.
4. How do I know if I need to replace my boiler PCB?
Common signs include the boiler failing to ignite, inconsistent heating or hot water, or error codes on the display. Replacing the PCB often resolves these issues.
5. Do I need to check the part number before ordering?
Yes, always verify that the part number on your boiler matches 873790949A0 to ensure compatibility before placing your order.







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