Hearthstone GMi 70


Flush cast iron design

The cast iron front of the GMi70 is designed to fit flush with your hearth for a clean and elegant look.

Soapstone firebox

Burn up to 20 inch logs in the soapstone lined firebox. Soapstone retains the maximum heat from you fire and radiates steady warmth as your insert burns.

Simple operation

Our non-catalytic wood insert is easy to use. A single lever air control lets you burn hot and fast or low and slow to keep warm through the night.

Heating Capacity (sq ft): 2400 sq ft
Fire Capacity: 2.4 cu ft
Recommended Log Length: 20 inches
High Heating Value (Efficiency): 0.69
Emissions (Grams/hour): 1.54 Grams/hour
Weight: 428 lbs
For more information go to the manufacturer’s website.

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      Blower: Included
      BTU: Up to 70,000
      Efficiency: 69% HHV
      EPA Certified: 1.54 g/hr
      Finish: Brown Enamel, 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″
      Model: 8450
      Stove Type: Wood Fireplace Insert
      Weight: 513


      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”

      Additional information



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      High Country Stoves & Fireplaces is committed to serving the families of southeastern Wyoming and north central Colorado with the best service, the best stoves, fireplaces, inserts, and hearth products. Let us help you devise the smartest strategy for improving the warmth and comfort of your home.

      Our Service Area is within a 100-mile radius around Laramie, including Albany, Carbon, Laramie, Platte & Goshen Counties in Southeastern Wyoming and Larimer County and Jackson County in North Central Colorado.

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      860 N 3rd St Laramie, WY 82072

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