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  Merit® - Model G40
 Mid-efficiency Gas Furnace

Mid-efficiency levels save you money, compared to older furnaces. And its durable, high-quality ensures long-lasting performance.

Want more? How about a 20-year limited warranty on the heat exchanger, 3-year limited warranty on the ignition control and 1-year limited warranty on all remaining covered components? We thought you'd like that!

Innovative Features For Enhanced Comfort and Efficiency:

   
 
Duralok Plus® Heat Exchanger - Made of patented ArmorTuf® aluminized steel that's life-tested to 2-1/2 times standard requirements for long life and durability.

Durable Steel Cabinet - Made to last with an attractive, high quality textured paint finish

Hot Surface Igniter - Delivers starting reliability

80% AFUE Rating (Annual Fuel Utilization Efficiency)



Merit - Model G40 - Mid-efficiency Gas Furnace

To find out more information on Lennox products, visit the Lennox® web site at www.lennox.com.

Signature Collection

Model G61V
Innovative SilentComfort™
Variable Spped Technology

Signature - Model G61V - Innovative SilentComfort Variable Spped Technology
Elite Series

Model G61
Two-stage
High-Efficiency Furnace

Elite - Model G61 - Two-stage High-Efficiency Furnace
Merit Series

Model G43
Direct/Non-Direct Vent
92.1% Efficiency Rating

Merit - Model G43 - Direct/Non-Direct Vent
Merit Series

Model G40
Mid-Efficiency Gas Furnace
Reliable Ignition System

Merit - Model G40 - Mid-Efficiency Gas Furnace
- 888-235-2473
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