Dometic / Atwood 33128 Furnace Combustion Wheel – 8500, 8900 Series

Dometic / Atwood 33128 Furnace Combustion Wheel – 8500 & 8900 Series

Genuine OEM Replacement

Part Number: 33128
Product Type: Furnace Combustion Wheel

Product Overview

The Dometic / Atwood 33128 Furnace Combustion Wheel is a genuine OEM replacement designed for select Atwood 8500 and 8900 series furnaces. The combustion wheel is responsible for drawing in combustion air and expelling exhaust gases, ensuring proper burner operation and safe furnace performance.

A properly functioning combustion wheel maintains correct airflow through the combustion chamber. If cracked, warped, or imbalanced, the furnace may experience ignition failures, poor flame quality, excessive noise, or shutdown issues.

Manufactured to original equipment specifications, Part 33128 restores proper combustion airflow and supports safe, efficient furnace operation.

Key Features

• Genuine OEM Dometic / Atwood replacement part
• Designed for 8500 and 8900 series furnaces
• Ensures proper combustion air intake and exhaust flow
• Precision-balanced for smooth, quiet operation
• Durable construction for high-heat environments
• Built to original equipment standards

Compatible Furnace Models

Part 33128 is compatible with:

8500 Series

• 8500 II
• 8500 III
• 8500 IV
• 8500 LD

8900 Series

• All 8900 models

Always verify your furnace model number on the unit data plate before ordering to ensure compatibility.

When Should You Replace the Combustion Wheel?

You may need to replace the combustion wheel if you notice:

• Delayed or failed ignition
• Unusual startup noise
• Furnace vibration
• Inconsistent flame pattern
• Visible damage or cracking

Replacing a worn combustion wheel helps maintain proper draft, combustion efficiency, and safe operation.

Product Specifications

• Manufacturer: Dometic / Atwood
• Part Number: 33128
• Component: Combustion Wheel
• Compatible Series: 8500 II, III, IV, LD and all 8900 models
• Includes: Combustion wheel only

Frequently Asked Questions (FAQ)

Q: What does a combustion wheel do?

A: It pulls combustion air into the burner chamber and pushes exhaust gases out of the furnace.

Q: Is this the same as the interior blower wheel?

A: No. The combustion wheel handles burner airflow. The blower wheel circulates heated air into the RV living area.

Q: Which furnace generations use Part 33128?

A: It fits 8500 II, III, IV, LD, and all 8900 series furnaces.

Q: Is this an OEM part?

A: Yes. 33128 is a genuine Dometic / Atwood replacement part.