Merrimack Non-Catalytic Wood Burning Insert

Watching the flames and feeling the warmth of a wood fire is an experience that never gets old. The Merrimack wood insert maintains that timeless appeal and highlights large, unobstructed views of the fire, turning your existing masonry fireplace into an efficient centerpiece.
Attention to detail extends past the appearance to the convenient operating features. Advanced technologies make for easy startups and continual warmth. A heat-activated blower distributes comfort to every corner.

• Heats 1,400-2,800 sq ft with 55,000 BTUs, based on climate and home efficiency
• Up to 12 of burn time from each load of wood
• Conveniently burn up to 20” logs
• Automatic startup air control assists in starting the fire
• Heat-activated, variable speed fan comes standard


Appliance Width:
Appliance Height:
Appliance Depth1:
Front Width Minimum Firebox Opening:
Height Minimum Firebox Opening:
Depth Minimum Firebox Opening:
Back Width Minimum Firebox Opening:
Peak BTU/hr Output2:
Heating Capacity3:
1,400 – 2,800 sq ft
Maximum Burn Time4:
12 hrs
Firebox Capacity:
3.1 cu ft
Recommended Log Length:
Viewing Area:
330 sq in
3.6 grams/hour
1 Appliance Depth includes entire unit including depth of firebox and extension onto hearth.
2 BTU: 1st hour output uses high burn efficiency number. BTU will vary depending on the type of fuel used and moisture content of the fuel.
3 This is a general guide, see your local dealer for help in determining the product that best suits your heating needs based on climate, home efficiency, location of the heater, and air movement in the room.
4 Actual burn times will vary based on how the appliance is operated, load size, moisture content and type of wood used.
5 Weighted Average LHV (Low Heating Value) efficiency.
Heat output will vary depending on the type of fuel used. The flame and ember appearance may vary


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