Merrimack Non-Catalytic Wood Burning Insert

You can be confident you'll stay warm with this insert featuring automatic air control! Plus, it's EPA certified as one of the cleanest burning inserts available.

Available Colors:

  • Classic Black

Quick Look:

Heating CapacityUp to 2,000 sq. ft.
Max BTUs/hrUp to 55,000
Combustion TypeNon-Catalytic
Burn Time12 hrs
Log Size22"
Bed/Bath/Mobile Home ApprovedNo/No/No

Heat With Style

The Merrimack combines our wood burning heritage and everything you love about burning wood with contemporary concerns for the environment. This EPA certified insert is among the cleanest burning wood inserts available and offers an amazing array of features and benefits.

The Merrimack is the ultimate in “set it and forget it” convenience with the Automatic Air Setback System which provides extra air over the top of the fire to speed up the start up procedure, and automatically returns to the primary air control setting of your choice. This feature, combined with the included high volume, heat activated, variable speed fan, is the perfect solution to ensure a constant heating temperature or burn level without having to continuously monitor your wood fire.

Choose from two optional surrounds to create a custom fireplace look and suit your traditional or contemporary décor.

Accessories that fit your home and lifestyle

  • Northfield Surround

    Give your wood-burning insert a built-in look with these available surrounds. The Northfield surround offers traditional cast iron construction.

  • Exeter Surround

    Give your wood-burning insert a built-in look with these available surrounds. The Exeter surround offers steel construction with a Classic Black finish.

Dimensions in inches. Refer to installation/owner's manual for detailed specifications on installing this product. Hearth & Home Technologies reserves the right to update units periodically. Product installation must adhere strictly to instructions shipped with product.

Model Specifications

Merrimack Non-Catalytic Wood Burning Insert

Model Number: MERRICB
Color/Finish: Classic Black
Dimensions: 31-1/2" (W)26-5/16" (H)25-3/8" (D)
Minimum Opening Dimensions: 29-3/4" (W)23-3/4" (H)18-1/2" (D)25"(RW)
Heating Capacity: Up to 2,000 sq. ft.
Max BTU/H (Wood): 55,000
Burn Time: 12 hours
Log Size: 22"
Firebox Size: 3 cu. ft. (40 lb. capacity)
Termination: Top
Certifications: OMNI, UL1482 / ULC628
Combustion Type: Non–Catalytic
Efficiency: 75%
Bed/Bath/Mobile Home Approved: No / No / No

Heat output will vary depending on the type of fuel used. The flame and ember appearance may vary based on the type of fuel burned and the venting configuration used. Actual product appearance, including flame may differ from image shown. Refer to the owner's manual for complete clearance requirements and specifications. Product specifications and pricing subject to change without notice. For testing and listing information please refer to the owner's/installation manual.

*For select products: Heating capacity to be used as a guide only. See your local dealer for help in determining the product that best suits your heating needs based on climate and home efficiency.
For wood-burning appliances: Actual burn times will vary based on how the appliance is operated, load size, moisture content and type of wood used, and installation.

Technical Specifications