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

Gasket

Comb air gasket

Gasket

Gasket

Inducer Motor Orifice Plate Gasket

Gasket

Gasket

Chamber gasket

Gasket

Gasket

Gasket

Gasket

Gasket

Seal

Gasket kit
Ensure your Lennox furnace operates flawlessly with genuine OEM gasket and seal parts from Repair Clinic. These essential parts prevent air leaks and maintain optimal furnace performance, crucial for effective heating. Whether you're a homeowner tackling DIY repairs or a professional technician, finding the right parts is straightforward with our comprehensive selection. Common issues like a furnace not heating or starting then stopping can often be traced to faulty gaskets or seals. By replacing these parts, you restore your furnace's efficiency and reliability. Browse our wide range of Lennox furnace parts, including gaskets for various models, to keep your heating system in peak condition. Trust Repair Clinic for fast shipping and expert repair resources, ensuring you have the support you need for every repair project.
Ensure your Lennox furnace operates efficiently with high-quality gasket and seal parts from Repair Clinic. Our extensive selection includes essential parts like chamber gaskets, inducer motor orifice plate gaskets, and seal kits designed to maintain optimal furnace performance. When your furnace isn't heating properly, or you're dealing with air leaks, these gaskets and seals can provide the fix you need. Order by 9:00 PM ET, and we'll ship your parts the same day to help you get your furnace back in action quickly. Whether you're a DIY enthusiast or a professional technician, trust Repair Clinic for genuine Lennox furnace parts, expert advice, and reliable shipping. Browse more HVAC parts to keep your heating system running smoothly.


Shopping for Lennox furnace gasket and seal parts has never been easier with Repair Clinic. Our comprehensive online catalog allows you to quickly find and order the exact parts you need using model or part numbers. Benefit from our No-Hassle 365-Day Returns policy, which lets you return uninstalled parts within a year for any reason. Plus, our Price Match Guarantee helps you shop with confidence on genuine OEM replacement parts. With same-day shipping on orders placed by 9:00 PM ET, your furnace repairs can be completed without delay. Ensure your Lennox furnace operates smoothly with reliable gasket and seal replacements from Repair Clinic.
On Lennox furnaces, look for the model number on the blower compartment door, inside the front access panel, or near the gas valve. The rating plate or data label usually lists the model and serial numbers together, so copy the model number exactly, including letters, numbers, and hyphens. Type it into our model number lookup and the catalog narrows to parts made for your unit. This filters the full Lennox furnace parts selection, not just gaskets and seals, to parts matched to your specific model. Taking a moment to read the label carefully helps prevent mix-ups between similar furnace models and gets you to the correct replacement part faster.

When something goes wrong with your Lennox Furnace, Repair Clinic's online repair help is the fastest way to sort out the cause. Diagnostic articles cover the symptoms you are seeing, part testing videos verify the failed component, and step-by-step written and video guides cover the installation. Use the model number lookup to confirm the exact OEM part before you order.

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 part'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.