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:

Natural Gas Operation: Designed specifically for use with Natural Gas (NG), offering clean and economical energy.

Non-Electric Operation: Operates entirely without electricity, ensuring you have heat even during power outages.

Direct Vent Safety: Sealed combustion system draws air from outside and vents exhaust externally, eliminating Carbon Monoxide concerns.

Built-In Thermostat: Automatically regulates heat output (Hi-Lo Dial) to maintain your desired room temperature efficiently.

Heavy-Duty Construction: Features a solid die-cast aluminum grill for improved safety and durability.

Complete Kit: Includes the wall template and vent installation kit for a standard setup.

Piezo Ignition: Reliable push-button ignition system eliminates the need for matches or batteries.

Important Performance & Support Information

Please review the following details to ensure this heater is right for your space:

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.

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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)