Find the right part faster
Multiple models matched. Select your model to confirm fit.

Collector box kit

Serv coll box 17.5"

Collector box

Box, hv

Collector box kit

Box, air-lower

Box, control, m1

Board insulating c box

Box aux j

Box, flue

Box, flue

Box, flue

Box, junction

Box, flue

Box, flue
Ensure your furnace operates at peak efficiency with our quality OEM furnace box replacements. These essential parts are designed to fit seamlessly with major furnace brands, ensuring reliability and durability. A common issue homeowners face is a furnace not blowing enough heat, often due to airflow restrictions within the furnace box. Regularly inspecting and replacing faulty boxes can prevent these problems and enhance your system's performance. At Repair Clinic, we offer a wide range of replacement parts and furnace parts to meet your needs. For related parts, explore our selection of furnace wire connectors and other HVAC parts. Trust Repair Clinic to provide the parts you need with the confidence of genuine OEM quality.
Ensure your furnace's optimal performance with our furnace box replacements, available for same-day shipping. At Repair Clinic, we prioritize quality and efficiency, providing genuine OEM parts for your heating needs. Order by 9:00 PM ET and have your parts shipped the same day, so your repairs can start without delay. Whether you're dealing with a faulty furnace box or upgrading for improved efficiency, our selection of replacement parts caters to various models and brands. Browse our extensive range and also explore related categories like Furnace Transformer Parts and Furnace Panel Parts to complete your repair projects. Trust Repair Clinic for your furnace part needs and enjoy the peace of mind that comes with our support and expert resources. For more HVAC options, visit our HVAC parts section.


Finding the right furnace box replacement parts is easy with Repair Clinic. As a leading online retailer of genuine HVAC parts, Repair Clinic empowers DIYers and professionals to tackle repairs with confidence. Our vast selection of OEM parts ensures compatibility with your furnace model, and our convenient online lookup makes it easy to find parts by model or part number. Benefit from our Price Match Guarantee and No-Hassle 365-Day Returns, allowing you to shop with confidence. Whether you're dealing with a faulty control board or need to replace a blower motor, our extensive repair resources guide you through each step. Explore related categories like Furnace Parts and HVAC Parts to find everything you need for efficient furnace maintenance and repair.
When it comes to replacing parts like the furnace box, knowing your furnace's model number is crucial. This model number can often be found on the side of the furnace or inside the front panel. For homeowners and technicians alike, accessing quality OEM parts is essential for successful repairs. Top brands like Carrier, Lennox, and Trane offer reliable parts, ensuring your furnace operates efficiently. Repair Clinic is a leading retailer that provides a vast selection of genuine furnace parts, with resources to help identify your model number and part needs. If you're facing issues such as a faulty igniter or a blower motor problem, our extensive inventory ensures you find the right part by model number, minimizing downtime. For more assistance, visit our Furnace Repair page, where expert advice and repair tips are readily available.

Need help finding the right furnace parts? Repair Clinic's trained customer care specialists are available 7:00 AM to midnight EST, seven days a week. Whether you have questions about part compatibility or need assistance placing an order, our experts are here to help. The Repair Clinic customer care team is dedicated to ensuring your furnace is back in working order quickly and efficiently.

A furnace that fails to ignite can leave your home in the cold. Common issues include a faulty igniter, malfunctioning flame sensor, or a defective draft inducer fan motor. Replacing furnace filters and cleaning furnace parts can help prevent these problems.

Learn why your furnace isn't working by understanding its ignition sequence and identifying common faulty parts like the igniter, flame sensor, or control board. This article provides practical repair tips and insights into each component's role in the heating process.

A gas furnace that starts and then stops unexpectedly can be frustrating, especially during cold weather. This article explains five common causes, including issues with the flame sensor, pressure switch, control board, draft inducer fan motor, or air flow. Learn how each cause may impact your furnace's operation and get tips to resolve the problem.