Description
Baxi 7678800 Service PCB Combi & System L4 – Genuine Control Board
The Baxi Service PCB Combi System L4 controls the main functions of your boiler for safe and efficient operation. This Baxi PCB ensures accurate communication between components and supports stable heating performance. The part number 7678800 delivers a precise fit for compatible Baxi combi and system boilers. This is a genuine OEM boiler control board designed for reliable and long-lasting use.
If you’re looking for a Baxi flame monitor and ignition control box 407677 or any other different Baxi PCB, follow the link provided.
Why Choose This Product?
This Baxi Service PCB Combi System L4 offers a reliable solution for fixing boiler faults related to control or communication errors. It helps restore full boiler functionality and ensures smooth heating operation. The board is designed for accurate performance and long-term durability. Choosing this PCB provides a cost-effective way to repair your boiler and maintain efficient heating output.
Delivery and Return
All orders placed before 1 PM are dispatched on the same working day. You can select standard delivery or upgrade to next-day courier service at checkout. Returns are accepted within 30 days if the item remains unused and in original condition. Always use a Gas Safe registered engineer for installation and repairs to ensure safe operation.
Frequently Asked Questions (FAQs)
1. What does the Baxi Service PCB Combi System L4 do?
It controls and manages the main boiler functions, ensuring safe and efficient operation.
2. Which part number do I need for my Baxi boiler?
You should use part number 7678800 for compatible Baxi Combi and System L4 models.
3. Can this PCB fix boiler faults or error codes?
Yes. Replacing a faulty PCB can resolve communication errors and restore full boiler function.
4. Is this PCB brand new or refurbished?
This Baxi Service PCB is brand new and ready for installation.
5. Do I need a professional to install this PCB?
Yes. A Gas Safe registered engineer must install the PCB for safe and correct operation.







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