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| Brand | Lennox |
| Series | ML196 Merit® Series |
| Model / SKU | ML196UH045XE36BK |
| Furnace Size | 45,000 BTU Class |
| Efficiency | Up to 96% AFUE |
| Heating Stages | Single-Stage |
| Blower Motor | Power Saver™ Constant-Torque DC Brushless Motor |
| Ignition | SureLight® Silicon Nitride Ignitor |
| ENERGY STAR | Certified |
| Fuel Type | Natural Gas; LP/Propane Conversion Kit Available |
| Configuration | Upflow / Horizontal |
| Installation | Professional installation included |
| Heat Exchanger Warranty | 20-Year Heat-Exchanger Warranty |
| Parts Warranty | 10-Year Parts Warranty |
| Labour Warranty | 1-Year Labour Warranty — ZERO HVACR |
Lennox 45,000 BTU Class gas furnace — ML196UH045XE36BK with 45,000 BTU Class, Up to 96% AFUE, Single-Stage, Power Saver™ Constant-Torque DC Brushless Motor, Natural Gas; LP/Propane Conversion Kit Available. Professional installation is included.
Product Overview
Lennox ML196 45,000 BTU Up to 96% AFUE Single-Stage Gas Furnace is a high-efficiency residential gas furnace designed to provide dependable heating performance and consistent indoor comfort. The 45,000 BTU capacity class is intended for applications where a properly sized furnace is required. With Up to 96% AFUE efficiency and single-stage heating, the system is configured for efficient operation and reliable comfort.
Model: ML196UH045XE36BK
Key Features
- High-Efficiency Heating: Up to 96% AFUE performance for efficient fuel use.
- Heating Control: Single-Stage operation helps match heating output to demand.
- Airflow Management: Power Saver™ Constant-Torque DC Brushless Motor supports steady airflow and indoor comfort.
- Fuel Type: Natural Gas; LP/Propane Conversion Kit Available as specified for this model.
- Installation Configuration: Upflow / Horizontal for flexible residential applications.
- ENERGY STAR®: Certified.
- Ignition: SureLight® Silicon Nitride Ignitor.
Technical Specifications
| Brand | Lennox |
| Series | ML196 Merit® Series |
| Model | ML196UH045XE36BK |
| Furnace Size | 45,000 BTU Class |
| Rated Input | 44,000 BTU/h |
| Heating Output | 43,000 BTU/h |
| Efficiency | Up to 96% AFUE |
| Heating Stages | Single-Stage |
| Blower Motor | Power Saver™ Constant-Torque DC Brushless Motor |
| Ignition | SureLight® Silicon Nitride Ignitor |
| ENERGY STAR® | Certified |
| Configuration | Upflow / Horizontal |
| Installation | Professional Installation Included |
| Heat Exchanger Warranty | 20-Year Limited Warranty |
| Parts Warranty | Up to 10 Years with applicable registration |
| Labour Warranty | 1-Year Standard Labour Warranty |
| Model Number | ML196UH045XE36BK |
| Marketing Capacity | 45,000 BTU Class |
| Rated Gas Input | 44,000 BTU/h |
| Rated Heating Output | 43,000 BTU/h |
| AFUE | 96% |
| Motor Output | 1/2 HP |
| Air Volume Range | 520–1,345 CFM |
| Add-On Cooling Capacity | 1.5–3 tons |
| Temperature Rise Range | 35–65°F |
| Heat Exchanger | Duralok Plus™ aluminized-steel heat exchanger with secondary condensing coil |
| Fuel | Natural Gas; LP/Propane Conversion Kit Available |
| Refrigerant Detection | R-454B Refrigerant Detection Ready |
| Low NOx | California 40 ng/J Standard |
| Cabinet Width | 17.5 Inches |
| Cabinet Height | 33 Inches |
| Cabinet Depth | 27.75 Inches |
| Shipping / Gross Weight | 119 lbs |
| Electrical | 115/120V, 60Hz, 1 Phase |
| Gas Pipe Size | 1/2 Inch |
| Intake / Exhaust | 2 / 2 Inch PVC |
| Cabinet | Heavy-Gauge Steel, Insulated, Sealed Blower Compartment |
Installation
Lennox furnace installation should be completed by a qualified HVAC professional. Professional installation is included as specified in the source product information; final scope depends on site conditions and applicable installation requirements.
Warranty Information
- 20-Year Limited Warranty
- Up to 10 Years with applicable registration
- 1-Year Standard Labour Warranty
Why Consider This Lennox Furnace?
- High-efficiency heating designed for residential comfort.
- Capacity and operating configuration matched to the selected model.
- Technical specifications are presented clearly for easier comparison.
- Professional installation support for safe and reliable system operation.
Product specifications, efficiency ratings, warranty coverage and installation requirements are subject to the applicable manufacturer documentation and may vary by model or configuration.
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