Dometic / Atwood 30720 Furnace Motor – AFMD / DFMD 35 Series

Genuine OEM Replacement

Part Number: 30720
Product Type: Furnace Motor
Application: Atwood & Dometic AFMD / DFMD / DFMDH / DFLD Series Furnaces

Product Overview

The Dometic / Atwood 30720 Furnace Motor is a genuine OEM replacement motor designed for select 35,000 BTU AFMD and DFMD series furnaces, along with compatible DFMDH and DFLD large-capacity models.

This motor powers both the combustion wheel and the blower wheel assemblies, delivering the airflow required for safe ignition, proper combustion, and consistent interior heating performance.

If your furnace fails to start, exhibits loud grinding or humming noises, or experiences weak airflow causing ignition shutdowns, a worn or failing motor may be the cause.

Replacing it with OEM Part 30720 restores proper airflow balance, reliable ignition operation, and dependable heating output.

Manufactured to original equipment specifications, this motor ensures correct fitment and long-term durability.

Key Features

• Genuine OEM Dometic / Atwood replacement motor
• Designed for AFMD & DFMD 35-series furnaces
• Powers both combustion and interior blower airflow
• Restores proper ignition sequencing
• Reduces vibration and excessive noise from worn bearings
• Built to original equipment standards

Compatible Furnace Models

AFMD Series

AFMD35111
AFMD35121
AFMD35131
AFMD35141
AFMD35151

DFMD Series

DFMD35111
DFMD35121
DFMD35131
DFMD35141
DFMD35151

DFMDH Series

DFMDH35111
DFMDH35121

DFLD Series

DFLD40111
DFLD40121

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

When Should You Replace the Furnace Motor?

You may need to replace the motor if:

• Furnace does not start
• Blower fails to operate
• Weak airflow from interior vents
• Ignition attempts fail due to insufficient airflow
• Grinding, squealing, or humming noises occur

A properly functioning motor is critical for safe combustion and efficient heat circulation.

Product Specifications

Manufacturer: Dometic / Atwood
Part Number: 30720
Component: Furnace Motor
Application: AFMD / DFMD / DFMDH / DFLD 35-series models
Includes: Motor assembly

Frequently Asked Questions (FAQ)

Q: What does the furnace motor power?
A: It drives the combustion wheel and interior blower wheel.

Q: Is this compatible with other BTU ratings (16, 20, 25)?
A: This motor is specific to the 35-series models listed above.

Q: Is this an OEM part?
A: Yes. Part 30720 is a genuine Dometic / Atwood replacement component.

Q: Can a bad motor cause ignition failure?
A: Yes. Insufficient airflow can prevent proper flame establishment and result in shutdown.