Stay warm and comfortable on every adventure with the Dometic DFSDH20121 RV Furnace. This brand new LP gas furnace delivers 20,000 BTU of heating capacity and features a single-stage burner, electronic ignition, side or bottom ducted discharge, an outside valve manifold, and a built-in Soft Start system for quieter startup.
Product Details
- Part of Dometic’s DFS Series, this compact furnace is engineered for easy maintenance, efficient heat transfer, and superior airflow distribution. Its low-profile design supports horizontal or vertical installation, while the less door configuration provides flexibility for applications requiring a separate access door.
- Note: This is a less door model. Access doors and thermostat are sold separately. Measure your existing furnace cutout before ordering to ensure proper fit.
Features
- Genuine Dometic DFSDH20121 OEM furnace
- Brand New
- DFS Series furnace
- 20,000 BTU heating capacity
- LP gas operation
- Single-stage heating
- Electronic ignition
- Side or bottom ducted discharge
- Outside valve manifold configuration
- Built-in Soft Start reduces startup noise
- Low-profile, compact design
- Horizontal or vertical installation
- Quiet operation with reduced air turbulence
- One-piece tubular design for efficient heat transfer and airflow distribution
- Powered by 12 Volt DC
Specifications
- Manufacturer Part Number: DFSDH20121
- NTP Part Number: 09-5126
- Product Series: DFS Series
- Product Type: RV Furnace
- Fuel Type: LP Gas
- Heating Capacity: 20,000 BTU
- Stage: Single
- Ignition Type: Electronic Ignition
- Discharge Type: Side or Bottom Ducted
- Voltage: 12 Volt DC
- Width: 12 Inch
- Height: 7 Inch
- Depth: 20 Inch
- Outside Valve Manifold: Yes
- Built-In Soft Start: Yes
- Vent Assembly Included: No
- Access Door Included: No
What’s Included
- (1) Dometic DFSDH20121 RV Furnace
Compatibility
- Designed for RV applications requiring a 20,000 BTU LP gas furnace with side or bottom ducted discharge and an outside valve manifold.
Vehicle Notes
- Less door model (access door not included)
- Thermostat sold separately
- Vent assembly not included
- Existing furnace cutout should be measured before ordering
- Can be installed in horizontal or vertical configurations
- Side or bottom ducted airflow provides installation flexibility
- Built-in Soft Start reduces jarring startup noise
- Professional installation is recommended for LP gas appliances
- Important: Confirm your existing furnace dimensions, duct configuration, manifold style, fuel type, and manufacturer part number DFSDH20121 before ordering to ensure proper fitment.
Warranty
- Limited 3-Year Manufacturer Warranty




