Dometic Small Furnace 20,000 BTU (DFSD20121) *No Warranty*

The Dometic DFSD20121 Small Furnace delivers powerful 20,000 BTU heating performance in a compact footprint, making it ideal for RVs and compact spaces where reliable warmth is essential. Engineered to maximize installation flexibility, this model supports both horizontal and vertical mounting, ensuring it fits a wide range of layouts. Its low-profile design measuring approximately 7” H x 12” W x 20” D allows for seamless integration, while the lightweight construction (around 21 lbs) makes handling hassle-free.

Enjoy efficient operation thanks to automatic ignition and quiet performance that minimizes air turbulence for comfortable, restful heating. The DFSD20121 is powered by LP gas and a 12V DC connection, allowing it to operate smoothly within standard RV power setups. Notably, this doorless model features the most duct configuration options available for small furnaces, enabling precise heat distribution throughout your vehicle.

Please Note: This unit is sold with no warranty. Thermostat and access door are sold separately.

Key Features

• 20,000 BTU heating capacity
• Compact, lightweight design for easy installation and handling
• Supports horizontal and vertical installation
• Quiet operation with reduced air turbulence
• Powered by LP gas and 12V DC
• Multiple duct configuration options for optimal heat delivery
• Thermostat and door sold separately
• No warranty included
• Dimensions: 7" H x 12" W x 20" D