Martin 20,000 BTU Direct Vent Natural Gas Heater MDV20N
Keep cozy this winter with the Martin MDV20N, a high-capacity 20,000 BTU direct vent natural gas heater. Designed for larger spaces, basements, and cottages, this unit operates entirely without electricity, providing a reliable heating solution even during power outages. The heavy-duty die-cast aluminum grill ensures efficient heat distribution while maintaining a safe-to-touch surface temperature, making it perfect for family living areas.
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Key Features & Benefits:
Important Performance & Support Information
Please review the following details to ensure this heater is right for your space:
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Heating Capacity: 20,000 BTU (approx. up to 538 sq. ft.)*
*Actual performance varies based on ceiling height, insulation, and outside temperature. - Gas Connection: Designed for Natural Gas (NG) ONLY. Do not use with Propane. Professional installation recommended.
- Clearances: 7" from floor, 6" from sides, 24" from top.
- Wall Space: This unit is wider than smaller models (26" Width). Please measure your installation area carefully.
- High Altitude: Rated for elevations up to 2,000 ft. Above 2,000 ft, input ratings should be reduced by 4% for each 1,000 ft.
- The Cabin Depot® recommends qualified installers and accepts no liability for customer installations.
Having trouble with your heater? We can help with troubleshooting!
Technical Support (The Cabin Depot):
Warranty Claims (Manufacturer):
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Martin 20,000 BTU Direct Vent Heater |
| Manufacturer | Martin (Bismar Inc.) |
| Model Number | MDV20N |
| Fuel Type | Natural Gas |
| Max BTU Input | 20,000 BTU/hr (Variable down to 6,000) |
| Thermal Output | 16,000 BTU/hr (80% Efficiency) |
| Heating Area | Approx. 538 sq. ft. (50 m²) |
| Wall Thickness Range | 4-1/2" to 12-5/8" (11.5cm - 32cm) |
| Dimensions (W x D x H) | 26" x 8-1/4" x 22-5/8" (66 cm x 21 cm x 57.5 cm) |
| Weight | 47.4 lbs (21.5 kg) |
| Ignition Type | Piezo |
| Thermostat | Built-in Hi-Lo Dial |
| Warranty | 1 Year Parts / Lifetime Combustion Chamber |
| Certifications | CSA Certified (Canada & USA) |
