Best Baxi Furnace Circuit Boards of 2026

Corey Phillips Avatar
Corey Phillips
Last Updated: 5 Feb 2026

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Baxi furnace circuit boards are essential components for efficient heating systems. Designed to regulate and control the various functions of a furnace, these circuit boards ensure optimal performance and safety. With advanced technology and reliable craftsmanship, Baxi circuit boards are known for their durability and compatibility with a wide range of furnace models. Whether you are looking to replace a faulty circuit board or upgrade your heating system, Baxi offers a range of options to suit your needs.

At a Glance: Our Top Picks

Baxi Combi 80E Maxflue Circuit Board 5112380 Cover #TOP 1
Baxi Combi 80E Maxflue Circuit Board 5112380
ftb score rating icon 9.8
Baxi Solo PF Printed Circuit Board 231711 Cover #TOP 2
Baxi Solo PF Printed Circuit Board 231711
ftb score rating icon 9.7
BAXI Potterton Electronic Control PCB 5121025 Cover #TOP 3
BAXI Potterton Electronic Control PCB 5121025
ftb score rating icon 9.5

Top 9 Baxi Furnace Circuit Boards

#TOP 1

Baxi Combi 80E Maxflue Circuit Board 5112380

Baxi Combi 80E Maxflue Circuit Board 5112380 Cover
BAXI COMBI 80E 80 MAXFLUE 105E 105HE PRINTED CIRCUIT BOARD PCB 5112380

The Baxi Combi Circuit Board is designed for efficient operation in your heating system. As a printed circuit board, it plays a crucial role in controlling the furnace's functions, ensuring reliable performance. This product is specifically tailored for models like the 80E and 105E, making it a perfect fit for your existing setup. With its high-quality build, you can expect durability and longevity, providing you peace of mind that your heating system will run smoothly for years to come.

What We Like
High-quality build
Reliable performance
Compatible with multiple models
Durable and long-lasting
#TOP 2

Baxi Solo PF Printed Circuit Board 231711

231711
Baxi Solo PF Printed Circuit Board 231711 Cover
Baxi Solo PF 2 & 3 Printed Circuit Board 231711 BAX PCB

The Baxi Solo PCB is an essential component for your Baxi Solo 2 PF and Solo 3 PF boilers. Designed specifically for models 30 to 80, this printed circuit board ensures your boiler operates efficiently. With the Baxi part number 231711, it guarantees compatibility and reliability. This board plays a crucial role in controlling the boiler's functions, providing you with peace of mind knowing that your heating system is in good hands. It offers convenience by simplifying maintenance and repairs, keeping your home warm and comfortable.

What We Like
High compatibility with various models
Reliable performance
Easy to maintain
Ensures efficient boiler operation
#TOP 3

BAXI Potterton Electronic Control PCB 5121025

BAXI POTTERTON
5121025
Black
5121025
BAXI Potterton Electronic Control PCB 5121025 Cover
BAXI POTTERTON New PCB Electronic Control Interpart 5121025 GC H46830

The BAXI Potterton PCB is a vital component for your heating system. This electronic control PCB is specifically designed for various models, including Baxi HE, Platinum, and Combi ranges. By ensuring compatibility with these systems, it helps maintain efficient operation. You will appreciate its reliability in controlling your furnace, providing peace of mind during colder months. Remember to have a qualified engineer maintain your gas appliances for optimal performance and safety.

What We Like
Compatible with multiple models
Enhances system efficiency
Reliable electronic control
Easy installation by professionals
#TOP 4

Baxi 28kW HE PCB Kit 7690350

7690350
Baxi 28kW HE PCB Kit 7690350 Cover
Baxi & Potterton Combi 28kW HE PCB Kit 7690350 (Supersedes 720043401) Genuine Part

The Baxi PCB Kit 7690350 is a genuine part that supersedes model 720043401. This kit ensures compatibility with specific Baxi boilers, making it easier for you to find the right fit. It is part of the furnace circuit boards category, which means it plays a crucial role in the efficient operation of your heating system. By using a genuine part, you can rely on its quality and performance, ensuring your boiler runs smoothly and effectively.

What We Like
Genuine Baxi part
Easy to fit
Ensures compatibility
High-quality performance
#TOP 5

Baxi PCB 5112380 Furnace Circuit Board 105E Series

5112380
Baxi PCB 5112380 Furnace Circuit Board 105E Series Cover
Baxi PCB 5112380 Ref BA1449 105E 105HE 80E

The Baxi PCB 5112380 is a hardware component designed specifically for furnace systems. As a furnace circuit board, it plays a crucial role in controlling and managing your heating system's operation, ensuring efficient performance. Being a product from Baxi, a trusted brand, it offers reliability and compatibility with the 105E, 105HE, and 80E series. With the Baxi PCB 5112380, you can expect smooth functioning and easier maintenance of your furnace, which helps keep your home warm and comfortable during colder months.

What We Like
Compatible with multiple furnace models
Essential for furnace control
Reliable Baxi brand hardware
Supports efficient heating operation
#TOP 6

Baxi Kombi 105 HE PCB 5112380 Overview

Baxi Kombi 105 HE PCB 5112380 Overview Cover
BAXI COMBI 105 HE PCB 5112380

The Baxi Kombi 105 HE is a reliable furnace circuit board designed to ensure optimal performance for your heating system. As a building material by Baxi, it provides essential functionality for maintaining the efficiency of your boiler. With this product, you can expect improved reliability and a longer lifespan for your heating system, offering you peace of mind. Additionally, its construction and design cater to ease of installation, making it a convenient choice for anyone looking to enhance their heating setup.

What We Like
Reliable performance
Improves system efficiency
Longer lifespan
Easy installation
#TOP 7

Baxi Duo Tec 24HE Combi Boiler PCB

5120217 WAS 7690359
Baxi Duo Tec 24HE Combi Boiler PCB Cover
BAXI DUO TEC COMBI 24HE & 24HE A BOILER PRINTED CIRCUIT BOARD ( PCB ) 5120217

The Baxi 24HE Boiler PCB is an essential component for the Baxi Duo Tec Kombi 24HE models. This printed circuit board (PCB) ensures the efficient functioning of your boiler, helping you maintain a consistent and reliable heat supply in your home. By using this high-quality PCB, you can enjoy peace of mind knowing that your heating system is running smoothly. It is specifically designed for the Baxi range, making installation straightforward and ensuring compatibility with your existing system.

What We Like
High-quality component
Compatible with Baxi boilers
Ensures efficient functioning
Straightforward installation
#TOP 8

Baxi and Potterton Circuit Board 5120218

5120218
Gold
Baxi and Potterton Circuit Board 5120218 Cover
Baxi Duotec Platinum 28HE Potterton Gold Promax 28HE PCB 5120218

The Baxi Circuit Board is designed for compatibility with Baxi Duotec 28HE and Platinum 28HE boilers, as well as Potterton Gold 28HE and Promax Combi 28HE boilers. This printed circuit board, part number 5120218, ensures reliable performance and efficient operation of your heating system. By fitting seamlessly into your boiler, it helps maintain the optimal functioning of your heating system, providing you with consistent warmth. With this component, you can enjoy peace of mind knowing that your boiler's essential functions are well-managed.

What We Like
Compatible with multiple boiler models
Ensures efficient boiler operation
Reliable performance
Easy to install
#TOP 9

Baxi Duo Tec 2 Combi Circuit Board 720878202

720878202 WAS 720878201
Baxi Duo Tec 2 Combi Circuit Board 720878202 Cover
BAXI DUO TEC 2 COMBI 24 28 33 40 GA CIRCUIT BOARD PCB 720878202 WAS 720878201

The Baxi Combi Circuit Board is an essential component for maintaining the efficiency of your heating system. Designed specifically for Baxi's Duo Tec 2 model, this circuit board ensures reliable performance, helping you avoid unexpected breakdowns. Its compatibility with several models, including the 24, 28, 33, and 40, offers you flexibility and convenience. By upgrading to this circuit board, you can enhance the overall reliability of your heating system, ensuring a warm and comfortable home.

What We Like
Reliable performance
Compatible with multiple models
Enhances system efficiency
Flexibility for users
Buying Guide Image
Editor's Notes

During our Baxi furnace circuit board research, we found 29 Baxi furnace circuit board products and shortlisted 9 quality products. We collected and analyzed 2,895 customer reviews through our big data system to write the Baxi furnace circuit boards list. We found that most customers choose Baxi furnace circuit boards with an average price of £131.60.

The Baxi furnace circuit boards are available for purchase. The top 9 picks range in price from a low of £99.00 to a high of £230.00, find the one that fits your budget.

Written by
Corey Phillips Avatar

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.