Dometic (Atwood) DFSD Furnace Blower Wheel – Part #31113 - Special Order

Special Order Item (7–14 Business Days for Shipping)

Restore proper airflow and heating performance with the Dometic (Atwood) DFSD Furnace Blower Wheel – Part #31113. This OEM replacement blower wheel (squirrel cage fan) is designed specifically for Dometic/Atwood DFSD series furnaces, helping circulate room air efficiently across the heat exchanger for consistent, even heat throughout your RV.

If your furnace is making grinding noises, vibrating excessively, or producing weak airflow, a worn or damaged blower wheel is often the cause. Replacing it with a genuine #31113 blower wheel can restore smooth, quiet operation and proper heating performance.

Key Features:

• OEM Replacement Part #31113
• Designed for Dometic / Atwood DFSD series furnaces
• Precision-balanced for smooth, quiet airflow
• Durable construction for long service life
• Direct replacement for worn, cracked, or warped blower wheels

Common Symptoms of a Failing Blower Wheel:

• Loud rattling or scraping noise during operation
• Reduced airflow from vents
• Furnace overheating or short cycling
• Excessive vibration inside the furnace cabinet

Replacing a worn blower wheel helps prevent strain on the motor and improves overall heating efficiency.

Compatible With:

This blower wheel is compatible with the following Dometic (Atwood) RV furnace model series:

AFSD Series:
AFSD12111, AFSD12121, AFSD12131, AFSD12141
AFSD16111, AFSD16121, AFSD16131, AFSD16141
AFSD20111, AFSD20121, AFSD20131, AFSD20141

AFSAD Series:
AFSAD12111, AFSAD12121, AFSAD12131, AFSAD12141

DFSD Series:
DFSD12111, DFSD12121, DFSD12131, DFSD12141
DFSD16111, DFSD16121, DFSD16131, DFSD16141
DFSD20111, DFSD20121, DFSD20131, DFSD20141

DFSAD Series:
DFSAD12111, DFSAD12121, DFSAD12131, DFSAD12141

DFSDH Series:
DFSDH20111, DFSDH20121

Always verify your furnace model number before ordering to ensure the correct fit.

What’s Included:

(1) Blower Wheel – Part #31113

Motor and additional components sold separately.

Frequently Asked Questions

Is this the combustion wheel or room air blower wheel?
Part #31113 is the blower wheel used for circulating room air across the heat exchanger. Verify your furnace configuration before purchase.

Can I reuse my existing motor?
Yes, as long as the motor shaft is not damaged and operates properly.

What causes blower wheels to fail?
Heat cycles, age, debris buildup, or loosening of the set screw can lead to cracking or imbalance over time.