Description
Worcester Greenstar Combi 25 30 35 40 CDI PCB 8748300912, 87483005360
The Worcester Greenstar Combi 25 CDI PCB controls the main functions of your boiler for safe and efficient operation. This refurbished PCB replaces faulty boards and restores heating and hot water performance. The part number 8748300912 replaces 87483005360 and ensures correct compatibility with selected Worcester models. Each unit is tested to deliver stable and reliable control.
Compatible Boilers
Worcester Greenstar Combi CDI Series
- Greenstar Combi 25 CDI (GC No. 47-311-92)
- Greenstar Combi 30 CDI (GC No. 47-311-93)
- Greenstar Combi 35 CDI (GC No. 47-311-94)
- Greenstar Combi 37 CDI HE (GC No. 47-406-08)
- Greenstar Combi 40 CDI (GC No. 47-311-95)
- Greenstar Combi 42 CDI HE Classic (GC No. 47-406-10)
- Greenstar Combi 42 CDI HE Classic LPG (GC No. 47-406-11)
If you’re looking for a Worcester Greenstar 15i System PCB 8748300921 (Replaces 87483006500) or any other different Worcester PCB, follow the link provided.
Why Choose This Product?
This Worcester Greenstar Combi 25CDi PCB provides a reliable solution for boiler control faults and electrical failures. It restores full communication between components and ensures smooth operation. Each unit is refurbished, tested, and checked for consistent performance. This makes it a cost-effective and practical option to extend your boiler’s lifespan without replacing the full system.
Delivery and Return
Orders placed before 1 PM are dispatched on the same working day. You can choose standard delivery or upgrade to next-day courier service at checkout. Returns are accepted within 30 days if the item remains in its original condition. Always use a Gas Safe registered engineer for safe and correct installation.
FAQs
1. What boilers is the Worcester Greenstar Combi CDI PCB 8748300912 compatible with?
This PCB fits Worcester Greenstar Combi CDI 25, 30, 35, and 40 boilers. Always confirm the part number matches your existing unit before purchasing.
2. Is the Worcester Greenstar Combi CDI PCB 8748300912 new or refurbished?
This part is fully refurbished by experienced engineers. Each PCB is tested to meet high standards of performance and reliability, though minor cosmetic marks may be present.
3. Does the Worcester Greenstar Combi CDI PCB 8748300912 come with a warranty?
Yes, all refurbished Worcester PCB units are supplied with a 12-month warranty to ensure reliable operation and customer confidence.
4. How do I know if my PCB needs replacing?
Common signs of PCB failure include intermittent boiler operation, error codes, or complete system shutdown. A Gas Safe registered engineer should confirm whether the PCB requires replacement.
5. Can I install the Worcester Greenstar Combi CDI PCB 8748300912 myself?
No, installation should always be carried out by a Gas Safe registered engineer. This ensures safety, compliance, and correct fitting of the replacement PCB.







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