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Key Features
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Reliable, durable catalytic-free technology with a tube combustion system for clean, consistent burns
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Air wash system keeps the ceramic glass door super clean for a clear view of the fire
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Inside and outside combustion air capable, with a boost air feature and single-lever air control
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Cast iron door with a complete standard-sized surround (38 in W x 27 in H) included
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Pre-assembled for quick and easy installation, with oversize backing plate and surround extension available
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Includes blower standard, EPA 2020 certified with emissions of just 1.6 g/hr
How It Compares
How The True North TN20 Insert Compares To Other True North Wood Heating Options
Homeowners evaluating True North's wood heating lineup usually face this question: should I get this TN20 insert for retrofitting an existing masonry fireplace, the freestanding TN20 wood stove, or the TN25c with electronic combustion assist?
| Feature | True North TN20 Insert | True North TN20 Wood Stove, Freestanding | True North TN25c Wood Stove |
|---|---|---|---|
| Installation Type | Fits into an existing masonry fireplace opening | Freestanding, on legs or pedestal | Freestanding, on legs |
| Firebox Size | 2.0 cu ft, logs up to 20 in | 2.0 cu ft | 2.0 cu ft, logs up to 18 in |
| Combustion Technology | Catalytic-free tube combustion system | Catalytic-free tube combustion system | Electronic Combustion Assist and Passive Catalytic Technology, no manual bypass |
| Blower | Included standard | Not specified as included | Optional 80 CFM convection blower |
Product Description
True North TN20 Series B Wood Insert with Blower - Metallic Black - 31040002
Features:
- Reliable, Durable Catalytic-Free Technology
- Tube Combustion System
- Air Wash System for Super Clean Ceramic Glass
- Inside and Outside Combustion Air Capable
- Boost Air
- Single-Lever Air Control
- Cast Iron Door
- Includes Blower
- Complete with Standard Sized Surround (38" W x 27" H)
- Pre-Assembled for Quick and Easy Installation
- Available Oversize Backing Plate and Surround Extension
- Efficiency (HHV) 73%
- Emissions 1.6 gm/hr.
- Firebox Size 2.0 cu. ft.
- Log Size (Recommended) 18"
- Log Size (Max) 20"
- Flue Size 6"
- Minimum Fireplace Opening Dimensions: 29" FW x 20 1/4" H x 18" D x 22" RW
- 55,000 BTU Cord Wood / 13,900 - 29,200 BTU EPA Test Fuel
- EPA 2020 Certified
Color/Finish Metallic Black
Size Medium
Insert Series Traditional Series
Vent Size 6"
Includes Blower Yes
Includes Ash System No
Insert Type Steel
Vent Type Vented
Fuel Type Wood
Full Spec Sheet
| Model | TN20.INSB, 31040002 |
| Insert Series | Traditional Series |
| Firebox Size | 2.0 cu ft |
| Recommended Log Size | 18 in |
| Max Log Size | 20 in |
| Flue Size | 6 in |
| Efficiency | 73% HHV |
| Emissions | 1.6 g/hr |
| Heat Output | 55,000 BTU cord wood, 13,900-29,200 BTU EPA test fuel |
| Minimum Fireplace Opening | 29 in FW x 20-1/4 in H x 18 in D x 22 in RW |
| Blower | Included |
| Color/Finish | Metallic Black |
| Certification | EPA 2020 Certified |
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