Merit® Series G40 Gas Furnace
Multi-position furnace designed to fit most any application
Product Overview
Features

Quiet Operation
- Fully insulated – Ensures quiet, efficient operation
- Two-stage heating with continuous fan operation – Makes the G61 gas furnace much quieter than standard single-stage furnaces
Home Comfort
- Two-stage operation – Runs at low speed 80% of the time, which minimizes the up-and-down temperature changes associated with standard furnaces
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Low-speed fan – Provides a consistent, continuous flow of warm air
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Secondary heat exchanger—allows the furnace to achieve high efficiency levels by capturing additional heat
Energy Efficiency
- Efficiency ratings of 80% AFUE – Can save you hundreds of dollars each year, compared to standard furnaces
- 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.
Reliable Performance
- Duralok® Heat Exchanger – Made of high-quality, patented ArmourTuf aluminized steel
- Hot Surface Igniter – Controls furnace operation to ensure reliable, efficient performance
- 20-Year Limited Warranty on heat exchanger
- 5-Year Limited Warranty on covered components
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