Dometic / Atwood 30778 Furnace Motor – AFSAD12 / DFSAD12 - Special Order

Dometic / Atwood 30778 Furnace Motor – AFSAD12 / DFSAD12

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

Part Number: 30778
Product Type: Furnace Motor
Application: Atwood AFSAD12 & Dometic DFSAD12 Series Furnaces

Product Overview

The Dometic / Atwood 30778 Furnace Motor is a genuine OEM replacement motor designed for select AFSAD12 and DFSAD12 12,000 BTU furnaces.

This motor powers both the combustion air wheel and the interior blower wheel, providing the airflow necessary for safe ignition, stable combustion, and consistent interior heat distribution.

If your furnace does not start, produces humming or grinding noises, or shuts down due to weak airflow, a worn or failing motor may be the cause. Replacing it with OEM Part 30778 restores proper ignition sequencing and dependable heating performance.

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

Please Note: This is a Special Order part and typically ships within 7–14 business days.

Key Features

• Genuine OEM Dometic / Atwood replacement motor
• Designed for AFSAD12 and DFSAD12 furnaces
• Powers combustion and interior blower assemblies
• Restores proper ignition and heating performance
• Reduces vibration and excessive motor noise
• Special Order item (7–14 business days)

Compatible Furnace Models

Part 30778 is compatible with:

Atwood AFSAD12 Models

AFSAD12111
AFSAD12121
AFSAD12131
AFSAD12141

Dometic DFSAD12 Models

DFSAD12111
DFSAD12121
DFSAD12131
DFSAD12141

Always verify your furnace model number before ordering.

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 prevents ignition
• Excessive humming, squealing, or grinding occurs
• Furnace cycles off due to airflow-related faults

A properly functioning motor is essential for safe combustion and consistent heating output.

Product Specifications

Manufacturer: Dometic / Atwood
Part Number: 30778
Component: Furnace Motor
Application: AFSAD12 & DFSAD12 (12K BTU)
Availability: Special Order – 7–14 Business Days
Includes: Motor assembly

Frequently Asked Questions (FAQ)

Q: Why is this marked Special Order?
A: This motor is not typically stocked for immediate shipment and must be ordered from the distributor.

Q: What BTU rating are these models?
A: AFSAD12 and DFSAD12 are 12,000 BTU small-series furnaces.

Q: Will this fit AFSD12 models?
A: No. AFSD and AFSAD models use different motor configurations.

Q: Is this an OEM part?
A: Yes. 30778 is a genuine Dometic / Atwood replacement component.