Dometic | Medium Furnace | DFMDH25121 | 9610008158 | 25,000 BTU | Doorless
The Dometic DFMDH25121 Medium Furnace delivers powerful 25,000 BTU heating performance for reliable comfort in cooler temperatures. Designed for LP gas and 12V DC systems, it features advanced ignition technology and optimized airflow for consistent heat distribution throughout your RV. Its durable construction and quiet start-up make it a dependable upgrade for year-round travel.
- 25,000 BTU output provides strong, efficient heating for medium RV spaces
- Advanced sensor technology improves ignition reliability and reduces maintenance needs
- Built-in soft-start system helps prevent breaker trips and minimizes startup noise
- Engineered airflow delivers up to 22% better heat circulation in ducted setups
- One-piece heat exchanger supports long-term, energy-efficient performance
- Thermostat sold separately for flexible system integration
- Furnace Dimensions: 16-1/2"W x 7"H x 20"D
- Power Source: Propane
- BTU Rating: 25,000
- Electrical Requirements: 12 Volt DC
- Amp Draw: 7.5
Need help confirming fitment?
Our team at United RV Parts is here to help you find the right replacement or parts for your RV Furnace.
Text or call 817-984-1852 with the make and model number of your existing RV Furnace and we’ll make sure you get exactly what you need the 1st time.
Descripción general del producto
The Dometic DFMDH25121 Medium Furnace delivers dependable 25,000 BTU heating for RVs that need strong performance in cooler weather. Operating on LP gas and 12V DC power, it uses upgraded ignition technology that removes traditional moving parts for smoother, more reliable startups.
A built-in soft start reduces breaker trips and startup noise, while the improved airflow system provides up to 22% more circulation in ducted applications for more consistent interior temperatures. Its durable one-piece heat exchanger is engineered for long-lasting efficiency, and the doorless Essential design offers straightforward installation. Thermostat sold separately.
Instrucciones adicionales:
Instructions for a complete replacement:
1. Select your preferred thermostat

