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Convert an existing fireplace into a source of efficient heat with the TN20 Wood Insert. This powerful 2.0 cubic firebox will heat small to medium spaces, burn clean and will offer years of trouble free warmth. The gasketed cast iron door seals the firebox to avoid unnecessary air loss, while clean air-wash technology ensures a full view of the fire while in use.

True North’s new catalytic-free technology is changing the industry – offering lower costs, less maintenance and high efficiency while meeting stringent EPA 2020 environmental standards for the cleanest burn possible.



| Model | TN20 |
| Series | B Series |
| Vent Type | Vented |
| Finish | Black |
| Body Material | Steel |
| Door Material | Cast iron |
| Installation Type | Insert |
| Fuel Type | Seasoned Cord wood |
| Technical Data |
| Peak BTU/Hr Output 4 | 55,000 BTU |
| EPA BTU Output 3 | 13,900-29,200 BTU / Hour |
| LHV Tested Efficiency 1 | 78% |
| HHV Tested Efficiency 2 | 72.7% |
| EPA Certified Emissions | 1.6 grams per hour |
| Firebox Size | 2.0 cu.ft. |
| Maximum Wood Length | 20 inches |
| Ideal Wood Length | 18 inches |
| Width | 38" |
| Height | 27" |




3 years parts (1 year labour) |
Firebox, Castings, Glass (glass for thermal breakage only, not impact) |
1 year parts and labour |
Electrical components and switches |
1 year (parts only) |
Gaskets, Paint (peeling), Bricks, Baffle tubes, Baffle manifold, Ceramic fibre board |
Ships within 48 hours · Estimated delivery Jul 3 - Jul 8
US$40
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