Best Furnace Circuit Boards of 2025

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Furnace circuit boards are essential components in the heating systems of homes and buildings. They control the functions of the furnace, such as igniting the burners, monitoring the temperature, and regulating the fan. These circuit boards come in various sizes and shapes to fit different types of furnaces. They are made with high-quality materials that ensure durability and efficient performance. Investing in a reliable furnace circuit board can help stabilise the heating system, reduce energy consumption, and prolong the lifespan of the furnace.
At a Glance: Our Top Picks
Top 10 Furnace Circuit Boards
HTS PCB for Baxi Solo 2 & 3 Boilers
The HTS Baxi PCB offers perfect compatibility with Baxi Solo 2 and 3 PF boilers, ensuring efficient operation of models 30 to 80. Its reliable performance controls essential boiler functions, guaranteeing effective heating and hot water delivery to your home or business. With durable construction, this circuit board is designed to withstand continuous use, providing long-lasting performance. Additionally, the easy installation feature allows you to quickly get your boiler back up and running, minimising downtime and disruption.
Baxi Duo Tec 2 Combi Circuit Board 720878202
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.
Replacement Control Board for Honeywell Furnaces
The Honeywell S8610U Control Board is an essential component for your heating appliances. It provides an efficient ignition sequence, ensuring reliable performance every time you need heat. With flame monitoring, it enhances safety by detecting any issues, allowing you to enjoy peace of mind. Additionally, the safety shutoff feature protects your home by preventing gas leaks. This control board is specifically designed for intermittent pilot central furnaces and residential boilers, making it a convenient choice for your heating needs.
Baxi Neta Tec Combi PCB 720878202
The Baxi Neta Tec PCB is an essential component for your heating system. This motherboard ensures that your boiler operates efficiently, providing reliable heat and hot water for your home. By using this product, you can enhance the performance of your furnace, leading to improved energy efficiency. The Baxi Neta Tec PCB is designed specifically for models 24, 28, and 33, making it a perfect fit for your boiler, ensuring compatibility and ease of installation.
Baxi Duo Tec 24HE Combi Boiler PCB
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.
Vaillant Ecotec Pro 24/28 Circuit Board
The Vaillant Ecotec Pro Board is a genuine part designed for the 2012 model of the Ecotec Pro 24/28 series. This circuit board ensures reliable operation of your heating system, offering you peace of mind during colder months. Its compatibility with specific models means you can easily replace worn-out components without hassle. By using a genuine part, you help maintain efficiency and extend the lifespan of your furnace, ensuring it runs smoothly when you need it most.
Vaillant Ecotec Pro 24 28 Circuit Board
The Vaillant Ecotec Circuit Board is a vital component for your heating system, ensuring efficient operation. It is a genuine part, providing the reliability you need for your furnace. The part number 0020254533 supersedes the older 0020135165, ensuring compatibility with newer systems. By opting for this circuit board, you can enjoy peace of mind knowing you are using a high-quality, brand-certified component that enhances the performance of your heating system.
Baxi Solo PF Printed Circuit Board 231711
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.
Potterton Netaheat Electronic Ignition PCB 407676
The Potterton Ignition PCB is a vital component for your Potterton Netaheat boilers, including models 6/10E, 10/16E, and 16/22E. This printed circuit board, identified by part number 407676 and Gas Council number 336708, ensures the ignition process runs smoothly, allowing your heating system to operate efficiently. By using this specific board, you can enhance the reliability of your boiler, providing you with consistent warmth when you need it most. Installing the correct PCB can also help prevent potential issues, saving you time and money in repairs.
Upgraded Honeywell Furnace Fan Control Board
The Honeywell Furnace Control Board is a brand new upgraded fan control board designed to enhance your furnace's performance. This upgrade kit includes clear wiring instructions, making installation straightforward for you. As the brain of your furnace, it ensures optimal operation, helping to maintain a comfortable environment in your home. With its advanced features, this control board is essential for anyone looking to improve their heating system's efficiency and reliability.
Frequently Asked Questions (FAQs)
1. How much does it cost to replace a circuit board in a furnace?
A furnace control board replacement costs $300 to $650 on average. A furnace circuit board or motherboard costs $50 to $300 for the part alone, plus $250 to $350 for replacement labor....Furnace control board replacement cost.
2. What is a circuit board for a furnace?
The furnace circuit, or control board regulates the power supply to all the furnace components. When the home's thermostat calls for heat, the furnace goes through a timed ignition sequence that is initiated when the circuit board sends 120 volts of alternating current to the furnace's draft inducer fan motor.
3. How much does a circuit board cost?
A circuit board typically costs from 50 cents to $300 dollars to produce, depending on your needs. The price to produce a circuit board has many different factors, and may depend on the number layers, complexity, quantity and components included on the board.
During our furnace circuit board research, we found 279 furnace circuit board products and shortlisted 10 quality products. We collected and analyzed 4,468 customer reviews through our big data system to write the furnace circuit boards list. We found that most customers choose furnace circuit boards with an average price of £189.10.
The furnace circuit boards are available for purchase. We have researched hundreds of brands and picked the top brands of furnace circuit boards, including HTS, Baxi, Honeywell, Vaillant, Potterton. The seller of top 1 product has received honest feedback from 246 consumers with an average rating of 4.7.

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.