
Furnace flame sensor with wire harness

Furnace flame sensor. The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, the furnace may not heat.

Pressure switch -0.20"pf spst

Furnace draft inducer motor. The draft inducer motor draws air into the burner and exhausts it out the flue. If the draft inducer motor is defective, the furnace may not heat.

Furnace igniter kit

Limit Switch - re-settable

Run Capacitor, Single, Round, 370 Volts 10 Microfarads

Furnace control board. The control board regulates the supply of power to the furnace components. Be sure to check more commonly defective parts before replacing the control board.

Replacement filter, large

Limit Switch

Pressure switch. NO, 1.74C

Rollout switch

Furnace igniter kit

Furnace control board. The control board regulates the supply of power to the furnace components. Be sure to check more commonly defective parts before replacing the control board.

Run capacitor, round, 7.5 MFD, 370 volts
Ensure your Mammoth furnace operates efficiently with genuine OEM replacement parts from Repair Clinic. Our extensive selection includes essential parts like flame sensors, igniters, and control boards, helping you tackle common issues such as heating failures and blower motor malfunctions. Trust in our quality parts to maintain your furnace's performance and longevity. For other quality brands, explore our York furnace parts and Trane furnace parts pages. As a leading provider, Repair Clinic supports both DIY enthusiasts and professional technicians with reliable parts and repair resources.
Ensure your Mammoth furnace is up and running quickly with our extensive selection of genuine Mammoth furnace parts available for same-day shipping. Whether you need a new control board, igniter, or air filter, Repair Clinic has you covered with quality parts that match your furnace model. Our parts can help solve common furnace issues such as not heating, ignition problems, or a faulty blower motor. Place your order by 9:00 PM ET, and we'll ship it the same day, giving you the peace of mind that your repairs won't be delayed. Trust Repair Clinic to provide the right parts for a fast and efficient furnace fix. For more furnace repair resources, visit our HVAC Parts page.


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Identifying your furnace model number is essential for finding compatible parts and accurate repair help. Watch this video for tips on locating the model number, and visit our website's furnace repair section for troubleshooting tips, part testing guides, and part replacement videos tailored to your specific furnace.

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.