Atwood Furnace Combustion Air Wheel | Replaces Atwood 32777, 33128 & 37107

NBK-20779 RV Furnace Combustion Air Wheel – Direct Replacement for Atwood Furnace Systems

Restore proper combustion airflow and reliable furnace operation with the NBK-20779 Furnace Combustion Air Wheel. Designed as a direct replacement for Atwood 32777, 33128, and 37107, this combustion blower wheel plays a critical role in supplying the airflow necessary for safe and efficient burner operation in compatible RV furnace systems.

A damaged, cracked, or worn combustion air wheel can reduce burner efficiency, cause ignition problems, trigger safety shutdowns, and prevent your furnace from operating correctly. The NBK-20779 is manufactured to OEM-equivalent standards to help restore proper airflow and dependable heating performance.

Special Order Notice

Please verify your existing part number and furnace model before ordering. Mechanical components are non-returnable once installed.

Key Features

• Direct replacement for Atwood 32777, 33128, and 37107
• Designed for RV furnace combustion air systems
• OEM-equivalent fit and performance
• Restores proper combustion airflow
• Helps ensure reliable ignition and burner operation
• Durable construction for long service life
• Precision-balanced design for smooth operation
• Ideal replacement for damaged, cracked, or worn combustion wheels
• Direct-fit installation for compatible Atwood furnaces

Specifications

• Part Number: NBK-20779
• Product Type: Furnace Combustion Air Wheel
• Application: RV Furnace Combustion System
• Condition: New Replacement Part
• Installation: Direct Replacement

Replaces Part Numbers

Atwood

• 32777
• 33128
• 37107

Compatible Applications

Commonly used in select Atwood RV furnace systems installed in:

• Travel Trailers
• Fifth Wheels
• Motorhomes
• Toy Haulers
• Truck Campers
• Recreational Vehicles

Important: Always verify your existing part number and combustion wheel configuration before ordering.

Common Symptoms of a Failed Combustion Air Wheel

• Furnace Fails to Ignite
• Ignition Lockout Conditions
• Reduced Burner Performance
• Excessive Furnace Noise
• Cracked or Damaged Blower Wheel
• Poor Combustion Airflow
• Intermittent Furnace Operation
• Furnace Safety Switch Trips

Important Fitment Notice

• Verify Atwood part numbers 32777, 33128, or 37107 before ordering.
• Compare dimensions and mounting style with your existing combustion wheel.
• Disconnect all power sources before servicing furnace components.
• Inspect the motor shaft and blower assembly during replacement.
• Professional RV furnace service is recommended.

Why Replace Your Furnace Combustion Air Wheel?

The combustion air wheel supplies fresh air to the burner chamber, allowing your RV furnace to operate safely and efficiently. Over time, blower wheels can become cracked, warped, or damaged from heat and vibration. Replacing a worn combustion wheel helps restore proper airflow, improve ignition reliability, and maintain safe furnace operation.

Why Choose the NBK-20779 Furnace Combustion Air Wheel?

The NBK-20779 is designed to provide OEM-quality fit and dependable performance for compatible Atwood furnace systems. With durable construction and precision-balanced operation, this replacement combustion wheel helps restore proper burner airflow and reliable heating performance for your RV.

Shipping & Availability

• Brand New Replacement Combustion Air Wheel
• Carefully packaged to prevent shipping damage
• Processing time may require an additional 1–2 business days before shipment
• Verify compatibility before ordering to ensure proper fitment and operation

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NBK-20779 RV Furnace Combustion Air Wheel Replacement for Atwood 32777 33128 37107

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Replace your damaged RV furnace combustion blower wheel with the NBK-20779. Direct replacement for Atwood 32777, 33128, and 37107. Restore proper furnace airflow and ignition performance.