NBK-20779 RV Furnace Combustion Air Wheel - Replaces Atwood 32777, 33128, 37107

In stock
SKU: SO-20779
Regular price $12.88
Before You Order
Special Order Notice
This item is a Special Order product and requires additional processing before shipment. Please allow an additional 2–3 business days for order processing before shipping.
Questions before ordering? Call (877) 223-6999 β€” we’ll verify it with you.
SSL Secure Checkout

Need Assistance...

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. A cracked, warped, or worn combustion wheel starves your burner of fresh air - causing ignition failures, safety shutdowns, and unreliable heating. The NBK-20779 is engineered as a direct OEM-equivalent replacement for Atwood 32777, 33128, and 37107, getting your RV furnace back to dependable operation quickly.

Key Specifications

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

Direct Replacement For

  • Atwood 32777
  • Atwood 33128
  • Atwood 37107

Compatible RV Applications

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

Common Symptoms of a Failed Combustion Air Wheel

  • Furnace fails to ignite or goes into lockout
  • Reduced or inconsistent burner performance
  • Excessive furnace noise or vibration
  • Poor combustion airflow
  • Furnace safety switch trips

Why Choose the NBK-20779?

  • True Direct Replacement - OEM-equivalent fit for Atwood 32777, 33128, and 37107
  • Precision-Balanced Design - Smooth, quiet operation that restores proper burner airflow
  • Durable Construction - Built to withstand the heat and vibration of RV furnace environments
  • Broad RV Compatibility - Fits select Atwood furnaces across travel trailers, motorhomes, and fifth wheels
  • OEM-Grade Quality - Manufactured to meet or exceed original equipment specifications

Important: Verify Atwood part numbers 32777, 33128, or 37107 match your existing combustion wheel before ordering. Disconnect all power before servicing. Professional RV furnace service is recommended. Mechanical components are non-returnable once installed.