Reliable, efficient
home comfort you can count on.
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The Lennox ML180DF090E48B is a dependable gas furnace
designed to deliver efficient, consistent comfort for your home. Part of
Lennox’s Merit® Series, it offers proven reliability, quiet operation, and an
energy-efficient design that keeps your home warm and your energy bills low.
• 80% AFUE efficiency rating — helps reduce heating costs
compared to older systems.
• Durable Duralok™ Plus heat exchanger made of aluminized
steel for long-lasting performance.
• Reliable SureLight® ignitor ensures consistent,
trouble-free starts.
• Multi-speed blower motor provides even air distribution
and quiet operation.
• Compact downflow design fits easily into a variety of
installations.
• Compatible with Lennox air conditioners and indoor air
quality products for a complete comfort system.
• Backed by Lennox’s trusted warranties for peace of mind.
Heating Efficiency (AFUE): 80%
Heating Input: 88,000 BTU/h
Nominal Output: ≈71,000 BTU/h
Configuration: Downflow (DF)
Ignition System: SureLight® hot surface ignition
Gas Type: Natural gas (convertible to LP)
Blower Motor: Multi-speed direct drive
Venting: Standard 4-inch flue connection
Warranty: 20-year limited on heat exchanger, 5-year limited
on covered components