Hearthstone Green Mountain 70
Wood Insert

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.

Category:

Description

The non-catalytic GMi70 has been designed to fit flush with your hearth. It has a clean yet traditional style that compliments many styles of home decor.

Specifications

Maximum BTUs/hr 70,000
Heats Up To 2,000 sq ft
Efficiency 69%
Product Size Medium
Log Size 20″
Burn Time up to 10 hrs
Firebox Capacity 2.4 cu. ft.
Emissions (gms/hr) 1.54
Room Size Large
Vent Type Stainless
Vent Size (Exhaust) 6″
Sliding Front Yes, Only At 0″- 2″- 4″
Masonary Fireplaces Only Yes

Appliance Dimensions

Width 28 1/2″
Height 23″
Depth 22 3/4″

Hearth Requirements

Insert At Flush Depth 16″ Of Hearth If Hearth Is Raised More Than 5″
Insert At Extended Depth (2″ or 4″) 18″ or 20″ Of Hearth If Hearth Is Raised More Than 5″
Insert At Flush Depth 23″ Of Hearth If Hearth Is Raised 5″ Or Less
Insert At Extended Depth (2″ or 4″) 25″ or 27″ Of Hearth If Hearth Is Raised 5″ Or Less

Surround Sizes

Standard 33 5/8″ Width X 25 3/4″ Height
With Surround Extension 45 3/8″ x 31 5/8″

Mantle Clearances

Clearance Required 50″ Mantle Sticking Out Up To 12″

Minimum Fireplace Opening

Width 28 7/8″
Height 23 5/16″
Depth 16″ Using Extension