Dometic / Atwood 33057 RV Furnace Exterior Access Door for DFMD Furnaces – White

Part Number: 33057
Genuine OEM Replacement
Limited 2-Year Manufacturer Warranty

Product Overview

The Dometic/Atwood 33057 Furnace Exterior Access Door is a genuine OEM white replacement panel designed to provide secure exterior access to select Dometic and Atwood medium-size RV furnaces.

Manufactured to exact factory specifications, this exterior door restores your RV’s original appearance while ensuring proper airflow and service accessibility. It is ideal for replacing cracked, faded, or damaged furnace panels and is engineered for long-term durability in outdoor RV environments.

The white finish provides a clean, factory-matched look for RVs with lighter exterior siding.

Key Features

• Genuine OEM Dometic / Atwood replacement part
• Direct-fit for compatible DFMD and DFMDH furnace models
• Durable white exterior finish
• Weather-resistant, road-ready construction
• Maintains proper furnace ventilation and accessibility
• Meets original equipment specifications
• 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 for furnace models ending in “111.” It does not fit doorless “121” variants.

Always verify your furnace model number before ordering.

Product Specifications

• Manufacturer: Dometic / Atwood
• Part Number: 33057
• Color: White
• Application: Exterior furnace access door
• Includes: Door assembly only (mounting hardware not included)
• Warranty: Limited 2-Year Manufacturer Warranty

Frequently Asked Questions (FAQ)

Q: What is the difference between 33056 and 33057?

A: The only difference is color. 33057 is white, while 33056 is black. Both fit the same compatible furnace models.

Q: How do I confirm this fits my furnace?

A: Check the furnace model number on the furnace data plate. This door fits DFMD and DFMDH models that end 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 access door.

Q: Is this an OEM Dometic part?

A: Yes. 33057 is a genuine Dometic / Atwood OEM replacement furnace door.

Q: Does this include mounting hardware?

A: No. Mounting hardware is not included.

Q: Is this covered under 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 defects in materials and workmanship. Warranty does not cover damage due to improper installation, misuse, modifications, or normal wear and tear.