Description

Maximize comfort and dependability in cool weather with the Dometic DFLA40211 Large 40K BTU Essential Furnace w/ Door (9108923372)from Nomadic Supply Company®. Now enhanced with an automotive-grade Hall Effect Sensor and built-in Soft Start, the Dometic DFLA40211 Large 40K BTU Essential Furnace w/ Door (9108923372) delivers more reliable ignition and quieter startups.With 18–22% more airflow than the leading competitor, our Dometic DFLA40211 Large 40K BTU Essential Furnace w/ Door (9108923372) distributes heat more evenly throughout the RV—thanks to its advanced air baffle system and one-piece tubular heat exchanger designed for long-lasting, efficient performance. Access Door and Thermostat sold separately.TUBULAR DESIGN FOR LASTING PERFORMANCEEvery Dometic furnace features our exclusive one-piece tubular heat exchanger. Unlike clamshell designs that can crack or trap gasses, our seamless construction provides smoother airflow and more reliable thermal performance. The radius tubing evenly distributes heat inside the exchanger—resulting in quieter, more stable operation and longer-lasting durability.EVEN HEAT—IN EVERY SIZE RVDometic furnaces are engineered to deliver consistent, even warmth—no matter the floorplan. With up to 22% more airflow than the competition in ducted applications, our advanced air baffle design helps eliminate cold spots and ensures each vent delivers the comfort your customers expect. Whether it’s a compact camper or a luxury coach, every Dometic furnace is built to perform.CONFIGURED FOR FLEXIBILITYWhether you’re installing in a compact trailer or a full-size motorhome, Dometic furnaces are designed to adapt. With both horizontal and vertical mounting options, plus available door and doorless models, our lineup fits seamlessly into a variety of RV layouts. We also offer a range of accessories to simplify installation and support system integration.AMERICAN ASSEMBLY, FASTER SUPPORTOur Dometic Essential Furnace lineup is proudly assembled in the USA—ensuring a dependable domestic supply chain. That means faster lead times, reliable part availability, and fewer delays in production or service. It’s one more way Dometic delivers quality products backed by responsive support.Precision EngineeringPatent-pending Hall Effect Sensor for cleaner, debris-resistant ignition.Smoother StartupsOn-Board Soft Start reduces in rush current by 80% and jarring start-up noise.More Airflow18–22% more airflow ensures even heat throughout.Durable Heat ExchangerOne-piece tubular design delivers efficient heat transfer and airflow distribution.Flexible FitHorizontal or vertical install with door or doorless options.

Dometic DFLA40211 Large 40K BTU Essential Furnace w/ Door (9108923372) Specifications:

SKU number: 9108923372
Model: DFM
Model on label: DFLA40211
Scope of delivery: Single Pack of one boxed
Product : Essential Doored Furnace, 25,000 BTU, Uses LP Gas, 12 DC Voltage
Net weight: 35.5 lbs
Product dimensions: 20″ x 9″ x 16.5″
Voltage Type: DC
Input voltage (DC): 12 V
Rated input current (DC): 11.1 A
Fuel type: Liquid gas LPG
Heating Capacity: 40,000 Btu/h
Certificates: CSA
Door Style: Door
Furnace Size: Large

Dometic Essential Furnace Transition Chart:

Old Legacy ModelOld Item NumberNew Model NumberNew Item NumberDoorDoorlessBTUCase SizeDimensionsWeightAmp drawWarrantyDFSAD121119108923336DFSADH121119610008173YesNo12KSmallH: 7″ x W: 12″ x D: 20″21 lbs2.42 YearDFSAD121219108923340DFSADH121219610008174-NoYes12KSmallH: 7″ x W: 12″ x D: 20″21 lbs2.42 YearDFSD201119600001165DFSDH201119610008177YesNo18KSmallH: 7″ x W: 12″ x D: 20″21 lbs4.82 YearDFSD201219108923341DFSDH201219610008179-NoYes18KSmallH: 7″ x W: 12″ x D: 20″21 lbs4.82 YearDFMD251119600000886DFMDH251119610008158YesNo25KMediumH: 7″ x W: 16.5″ x D: 20″26 lbs7.52 YearDFMD251219600000890DFMDH251219610008160-NoYes25KMediumH: 7″ x W: 16.5″ x D: 20″26 lbs7.52 YearDFMD301119600000923DFMDH301119610008166YesNo30KMediumH: 7″ x W: 16.5″ x D: 20″26 lbs7.52 YearDFMD301219600000926DFMDH301219610008168-NoYes30KMediumH: 7″ x W: 16.5″ x D: 20″26 lbs.7.52 YearDFMD351119108923309DFMDH351119610007792YesNo35KMediumH: 7″ x W: 16.5″ x D: 20″26 lbs11.12 YearDFMD351219600001058DFMDH351219610007794-NoYes35KMediumH: 7″ x W: 16.5″ x D: 20″26 lbs11.12 YearDFLD401119108923369DFLDH401119610008182YesNo40KLargeH: 9″ x W: 16.5″ x D: 20″39 lbs12.52 YearDFLD401219108923362DFLDH401219610008184-NoYes40KLargeH: 9″ x W: 16.5″ x D: 20″39 lbs12.52 Year

Dometic DFLA40211 Large 40K BTU Essential Furnace w/ Door (9108923372) Documents:

Dometic Essential Furnace Installation ManualDometic Essential Furnace Operating ManualDometic Essential Furnace Short Installation and Operating ManualNomadic Supply Company Dometic Catalog