Dometic / Atwood 33056 RV Furnace Exterior Access Door for DFMD Furnaces– Black

Part Number: 33056
Genuine OEM Replacement
Limited 2-Year Manufacturer Warranty

Product Overview

The Dometic/Atwood 33056 Furnace Exterior Access Door is a genuine OEM replacement panel designed to provide secure and proper exterior access to select Dometic and Atwood medium-size RV furnaces. Engineered for durability and a precise factory fit, this door restores the clean finished appearance of your RV while maintaining correct airflow and service access.

Whether you're replacing a damaged panel or restoring an older unit, Part 33056 ensures proper fitment and long-term reliability in travel trailers, fifth wheels, and motorhomes.

Key Features

• Genuine OEM Dometic / Atwood replacement part
• Direct-fit for compatible DFMD and DFMDH furnaces
• Durable black textured finish
• Weather-resistant construction
• Maintains proper furnace ventilation and service accessibility
• Easy installation using existing mounting points
• Backed by a Limited 2-Year Manufacturer Warranty

Compatible Furnace Models

This exterior access door fits the following furnace models:

• DFMD20111
• DFMD25111
• DFMD30111
• DFMD35111
• DFMDH25111
• DFMDH30111
• DFMDH35111

⚠️ Important: This door is designed specifically for “xx111” doored furnace models. It is not compatible with doorless (“xx121”) versions.

Always verify your furnace model number before ordering.

Product Specifications

• Manufacturer: Dometic / Atwood
• Part Number: 33056
• Color: Black (Textured)
• Application: Exterior furnace access door
• Installation: Surface mount, existing screw locations
• Includes: Door assembly only (mounting hardware not included)
• Warranty: Limited 2-Year Manufacturer Warranty

Frequently Asked Questions (FAQ)

Q: How do I know if this door will fit my furnace?

A: Check your furnace model number located on the furnace data plate (usually behind the exterior panel or inside the access area). This part fits DFMD and DFMDH models ending in “111”.

Q: Will this fit DFMD20121 or other “121” models?

A: No. Models ending in “121” are doorless versions and do not use an exterior door panel like Part 33056.

Q: Is this an OEM Dometic part?

A: Yes. 33056 is a genuine OEM Dometic / Atwood replacement part designed specifically for the listed furnace models.

Q: Does the door include mounting screws?

A: No. The door assembly does not include mounting hardware. You can reuse your existing screws if they are in good condition.

Q: What is the difference between 33056 and 33057?

A: The primary difference is color. 33056 is black, while 33057 is typically the white version for the same compatible furnace models.

Q: Does this door include vent openings?

A: Yes. This exterior panel is designed with the proper venting layout to match compatible DFMD and DFMDH furnace configurations.

Q: Is this covered by warranty?

A: Yes. This product includes a Limited 2-Year Manufacturer Warranty covering defects in materials and workmanship.

Warranty Information

This product includes a Limited 2-Year Warranty against manufacturer defects. Warranty coverage does not include damage from improper installation, modification, misuse, or normal wear and tear.