Dometic™ 38362 RV Furnace – Model DFLA40211 – 40,000 BTU – LP / Natural Gas – 120V AC

DFL Series | Single Stage | Bottom Discharge | Large Size

Part Number: 38362
Model: DFLA40211
Series: DFL (Large Series)
Fuel Type: LP Gas / Natural Gas Compatible
BTU Output: 40,000 BTU
Heating Stage: Single Stage
Voltage: 120 Volt AC
Discharge Type: Bottom Discharge
Access Door Required – Part #33058 (Sold Separately)
Wall Thermostat Required (Sold Separately)

Product Overview

The Dometic™ 38362 (Model DFLA40211) is a powerful 40,000 BTU single-stage RV furnace designed for large coach applications requiring strong and consistent bottom-discharge heating.

Part of the DFL Series, this furnace operates on 120 Volt AC power and supports LP gas or Natural Gas configurations depending on installation setup.

This is a single-stage heating system, meaning it operates at full rated BTU output when heating is called for — delivering reliable, straightforward performance for larger fifth wheels, park models, and destination trailers.

⚠ Important: This furnace requires exterior access door Part #33058, sold separately.
⚠ A compatible wall thermostat is also required and sold separately.
⚠ Always measure your existing cut-out before ordering.

Key Features

• 40,000 BTU high-output performance
• Single-stage heating system
• LP Gas or Natural Gas compatible
• 120 Volt AC operation
• Bottom discharge airflow configuration
• Large-size furnace chassis
• Designed for higher heat demand applications
• Requires access door #33058 (sold separately)
• Requires wall thermostat (sold separately)

Specifications

• Part Number: 38362
• Model: DFLA40211
• Series: DFL
• BTU Rating: 40,000 BTU
• Heating Stage: Single Stage
• Fuel Type: LP / Natural Gas
• Voltage: 120 Volt AC
• Discharge Configuration: Bottom
• Width: 16-1/2 inches
• Height: 9 inches
• Depth: 20 inches
• Exterior Door Included: No
• Required Door: 33058
• Thermostat Included: No

Installation Notes

• Bottom discharge integrates into floor duct systems
• Exterior access door #33058 is required for proper venting and combustion airflow
• Confirm gas type configuration before installation
• Measure existing cut-out dimensions for compatibility

Frequently Asked Questions (FAQ)

Q: Is this a two-stage furnace?
A: No. This is a single-stage furnace that operates at full 40,000 BTU output when activated.

Q: Does this include the access door?
A: No. Exterior access door #33058 must be purchased separately.

Q: Is this propane or natural gas?
A: It can operate on LP gas or natural gas depending on configuration.

Q: What voltage does it use?
A: 120 Volt AC.

Q: What does bottom discharge mean?
A: Heated air flows downward into the RV’s floor duct system.