Hearthstone Green Mountain 40 Wood Stove

Clean Traditional Cast Iron

Our GM40 wood stove is styled with clean lines and offered in traditional black cast iron. Built for the wood stove purist.

TruHybrid Reliability

Our Green Mountain stoves exceed EPA clean burning standards. You can be sure they will burn clean today and for many years to come.

Soapstone Firebox Lining

The GM40 is lined with soapstone blocks. Soapstone absorbs the heat of the fire to give you long-lasting comfortable heat.

Specifications

BTU: Up to 40,000

Efficiency: 79%

EPA Certified: 1.07 g/hr

Finish: Matte Black

Firebox Capacity: 1.32 cu ft

Flue Exit Diameter: 6

Flue Exit Location: Top

HeatLife: 16 Hours of heat

Heats up to: 1,400 sq ft

Maximum Log Length: 16″

Model: 8640

Stove Type: Green Mountain Wood Stove

Weight: 350

Accessories

Blower with Rear Heat Shield: 96-57400

Outside Air Adapter: 96-53400

Clearances

• Side: 14″ 
• Rear: 16″
• Corner: 14″
  Single-wall connector pipe, no rear heat shield

• Side: 14″ 
• Rear: 13 ¾”
• Corner: 7″
  Single-wall connector pipe with included rear heat shield

• Side: 14″ 
• Rear: 9 ¾”
• Corner: 7″
  Double-wall connector pipe with blower kit heat shield