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Hearthstone Green Mountain Insert 70: Wood Fireplace Insert (2020 CERTIFIED)

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An attractive combination of design and function, the Green Mountain 70 wood-fired insert can heat up to 2,000 square feet. The 2.4 cubic foot firebox is lined with thick soapstone panels that give the Green Mountain 70 the thermal mass and Heat Life you expect from a Hearthstone.

Soapstone-lined firebox:

Extended Heat Life up to 10 hours 

Cast Iron Face Plate and Door: 

Unequaled durability and Style, optional brown majolica enamel finish 

Durable Construction: 

Full cast iron construction with 1 1/4" soapstone lining offers lasting heat and a lifetime of trouble free service 

Thermostat Controlled Fans: Turns on and off automatically Easy operation, efficient performance 

Single Lever Air Control: Easy operation, efficient performance    



2020 Certified 

Blower: Included

BTU: Up to 70,000

Efficiency: 69% HHV

EPA Certified: 1.54 g/hr

Finish: Brown Enamel OR Matte Black

Firebox Capacity: 2.4 cu ft

Flue Exit Diameter: 6

Flue Exit Location: Top

HeatLife: 10 Hours of heat

Heats up to: 2,000 sq ft

Maximum Log Length: 20″

Stove Type: Wood Fireplace Insert


Steel Surround: 94-5950110

Surround Lower Panel: 94-5950519

Surround Extension: 94-5950010

Outside Air Adapter Kit: 94-53500

Fire Screen Insert: 94-59500

Linear Hook-Up Collar: 94-67500


To combustible mantel from bottom of insert: 50”

To side trim from side of insert body: 9”

To side wall from side of insert body: 16”

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