Dometic 38355 DFLD40121 Large Door-Less RV Furnace 40,000 BTU

The Dometic DFLD40121 is a powerful 40,000 BTU door-less furnace designed for RV, motorhome, camper, and travel trailer applications. This compact, lightweight heater features quiet operation thanks to reduced air turbulence and an innovative tubular pipe heat exchanger design that promotes smooth, even airflow without sharp corners that trap air.

Key Features:

• 40,000 BTU heating capacity for larger RVs and travel trailers
• Door-less design - outside access door sold separately (Dometic part numbers 33058 or 33059 required)
• Horizontal or vertical configuration for flexible installation
• Low-profile, compact design: 9" H x 16.5" W x 20" D
• 12V DC powered unit operates on LP gas
• Engineered for easy maintenance and superior air delivery
• Multiple duct configurations available for precise heat distribution
• 78% energy efficiency rating

What's Included: Furnace unit, duct adaptors, and manual. Thermostat and access door sold separately.

Replacement Information: Dometic SKU 9108923366. This model replaces older Atwood/Dometic furnaces including item numbers 32657, 32660, 32801, 32804, 32801SU, 32804SU and model numbers AFLD35121, AFLD40121 (BP, SP or SU variants). When upgrading from an older AF model to this DF model, the access door must be replaced.