Lennox · Merit ML297 (ML297UH / ML297DF) · Model
Lennox ML297UH045XV36B
Registry-verified ML297UH045XV36B gas furnace: Up to 97% AFUE, listed in Canada's NRCan EnerGuide registry (2026-09-09).
Rating plate
- Model
- ML297UH045XV36B
- Input
- undefined – 44,000 BTU/h
- Output
- undefined – 43,000 BTU/h
- AFUE
- 97% upflow · 97% down/horiz
- Burner
- Two-stage
- Blower
- ECM, variable-speed
- Fuel
- Natural gas / Propane
- Cabinet
- null × null × null in
- Canada
- Available in Canada
The ML297UH045XV36B is a Lennox gas furnace registered in Canada's national efficiency registry (NRCan EnerGuide, export read 2026-09-09). The registry lists it at Up to 97% AFUE with an input rating of 44000 BTU/h.
This record is built from the official Canadian registry listing for the exact identifier above. Burner staging and blower classification follow the family this model belongs to; orientation, certified efficiency and capacities are registry values.
Specifications
From Lennox's published product data. Input and output are listed separately; AFUE depends on installation position.
| Specification | Value | Note |
|---|---|---|
| Input | ||
| Input rating | 44,000 BTU/h | |
| Output | ||
| Heating capacity | 43,000 BTU/h | |
| Efficiency | ||
| AFUE (upflow) | 97 % | |
| AFUE (downflow/horizontal) | 97 % | |
Manuals, codes and service
Documents
Fault codes that apply
None documented yet.
BC Wide service
This catalogue page is reference information for anywhere in Canada. On-site service for this model is available across Greater Vancouver from BC Wide's Burnaby base — see furnace service in Burnaby and all service areas.
Considering the ML297UH045XV36B?
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