Lennox G51 Gas Furnace
Elite® Series High-efficiency, high-comfort heating
Energy Efficiency
- Efficiency rating of 92.10% AFUE—can save you hundreds of dollars each year, compared to standard furnaces
- ENERGY STAR® qualified—meets or exceeds EPA guidelines for energy efficiency, which means energy savings
- Dual-fuel capability—can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs.
Quiet Operation
- Fully insulated cabinet—ensures quiet, efficient operation
- Secondary heat exchanger—allows the furnace to achieve high efficiency levels by capturing additional heat
Home Comfort
- Low-speed fan—provides a consistent, continuous flow of warm air
- Secondary heat exchanger—allows the furnace to achieve high efficiency levels by capturing additional heat
Reliable Performance
- Duralok Plus™ heat exchanger—made of patented ArmorTuf™ steel to ensure high reliability and efficiency
- SureLight® igniter—silicone nitride construction ensures long product life and reliable operation
- SureLight control board—direct-readout diagnostics allow simple, quick troubleshooting
- Lifetime Limited Warranty on heat exchanger
- 5-Year Limited Warranty on covered components
- This product may be eligible for valuable 10-Year Limited Extended Warranty coverage.
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