Collection: DFMDH Series (Essential) Parts

The Dometic DFMDH Medium RV Furnace is a high-performance, ducted LP gas furnace engineered to deliver powerful, reliable heat for travel trailers, fifth wheels, and motorhomes. With a 35,000 BTU heating capacity, the DFMDH is built to maintain consistent interior comfort in cooler climates while operating efficiently and quietly.

Designed as part of Dometic’s upgraded furnace platform, the DFMDH incorporates advanced airflow and ignition technology to improve reliability and temperature consistency throughout your RV’s duct system.

35,000 BTU Output
Provides strong, consistent heating for medium to larger RV interiors.

Hall Effect Sensor Technology
Replaces the traditional sail switch with a more durable, no-moving-parts airflow sensor for improved long-term reliability.

Soft-Start Ignition System
Reduces startup noise and electrical load, helping prevent breaker trips and promoting smoother operation.

Enhanced Airflow Performance
Delivers improved ducted airflow for more even heat distribution across multiple interior zones.

One-Piece Tubular Heat Exchanger
Engineered for efficient heat transfer, durability, and dependable long-term performance.

Flexible Installation Options
Compatible with horizontal or vertical mounting configurations. Available in door or doorless configurations depending on the installation requirement. Wall thermostat sold separately.