G50 Gas Furnace ◆ 80% AFUE
LENNOX’ ELITE® SERIES
Home Comfort Systems
G50
Efficient, consistent home heating
5
Elite® Series G50 Furnace
Low-speed, continuous
™
fan setting allows quiet,
consistent comfort
Efficient design can result in
significant energy savings
Quality components ensure
long-lasting reliability
Innovation never felt so good.
The Elite® Series G50 gas furnace blankets you with warmth, without
overwhelming you with sound. A low-speed fan slowly circulates air,
providing quiet, continuous comfort. Low-speed operation also increases
the effectiveness of filters for improved air quality.
EFFICIENT, CONSISTENT WARMTH—YEAR AFTER YEAR
Built to exacting standards, the G50 furnace not only keeps you cozy
and comfortable—it also keeps your energy costs at a minimum.
With an efficiency rating of 80%, the G50 produces more heat for
your energy dollar.
EFFICIENCY RATING
80% AFUE (Annual Fuel
Utilization Efficiency).
WARRANTY*
20-year limited warranty
on the heat exchanger.
5-year limited warranty
on all remaining covered
components.
* Applies to residential application only.
See actual warranty certificate for details.
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2
3-YEAR HEATING SAVINGS
$3000
80%
vs. 55%
$2197
$1115
80%
vs. 65%
$2000
$1000
$500
0
AFUE
80% efficient G50 Gas Furnace vs.
55% and 65% equivalent AFUE units
This chart depicts potential energy savings you can
expect from the G50 gas furnace versus older furnaces
with lower efficiency ratings. Criteria used in this
example are 2,000 full-load heating hours, with a
60,000 Btuh heating design load and $1.074 ccf for
gas. Your actual savings may vary depending on the
weather, local fuel rates and your lifestyle.
AFUE = Annual Fuel Utilization Efficiency.
Source: U.S. Environmental Protection Agency (EPA)
national average energy rates.
INNOVATIVE FEATURES FOR ENHANCED COMFORT AND EFFICIENCY
THIS MODEL
80%
Duralok Plus® Heat Exchanger – Made of high-quality,
patented ArmorTuf™ aluminized steel. Life-tested to 2-1/2
times agency requirements (ANSI standard Z21.47) for
long life and durability.
SureLight® Control Board – Controls furnace operation
to ensure reliable, efficient performance.
SureLight Igniter – Made of silicon nitride for reliable,
long-life performance.
Dedicated, Low-Speed Fan – Slowly circulates air
for improved comfort and air quality.
Insulated Blower Compartment – Minimizes
operating sounds.
Durable Steel Cabinet – Built to last and coated
with high-quality, textured-paint finish.
G50
80% AFUE
Elite® Series G50 Specifications
MODEL DF-24A-045 (X) DF-24A-070 DF-36A-070 (X) DF-36B-090 DF-36C-110 DF-48C-090 (X) DF-48C-110
Heating efficiency (AFUE) 80% 80% 80% 80% 80% 80% 80%
Dimensions HxWxD (in.) 40 x 14-1/2 x 28-1/2 40 x 14-1/2 x 28-1/2 40 x 14-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 21 x 28-1/2 40 x 21 x 28-1/2 40 x 21 x 28-1/2
HxWxD (mm) 1016 x 368 x 724 1016 x 368 x 724 1016 x 368 x 724 1016 x 446 x 724 1016 x 533 x 724 1016 x 533 x 724 1016 x 533 x 724
UH-24A-070 UH-36B-090
MODEL DF-60C-110 DF-60D-135 UH-24A-045 (X) UH-36A-070 (X) UH-48B-070 UH-48B-090 (X) UH-36C-110
Heating efficiency (AFUE) 80% 80% 80% 80% 80% 80% 80%
Dimensions HxWxD (in.) 40 x 21 x 28-1/2 40 x 24-1/2 x 28-1/2 40 x 14-1/2 x 28-1/2 40 x 14-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 21 x 28-1/2
HxWxD (mm) 1016 x 533 x 724 1016 x 622 x 724 1016 x 368 x 724 1016 x 368 x 724 1016 x 446 x 724 1016 x 446 x 724 1016 x 533 x 724
MODEL UH-48C-110 UH-60C-110 UH-48C-135 UH-60D-135 UH-60D-155
Heating efficiency (AFUE) 80% 80% 80% 80% 80%
Dimensions HxWxD (in.) 40 x 21 x 28-1/2 40 x 21 x 28-1/2 40 x 21 x 28-1/2 40 x 24-1/2 x 28-1/2 40 x 24-1/2 x 28-1/2
HxWxD (mm) 1016 x 533 x 724 1016 x 533 x 724 1016 x 533 x 724 1016 x 622 x 724 1016 x 622 x 724
Note: Due to Lennox’ ongoing commitment to quality, all specifications, ratings and dimensions are subject to change without notice.
Lennox is proud of the
fact that these products
have earned the Good
Housekeeping Seal.
3
1 Air conditioner or heat pump
2 Thermostat
3 Furnace or air handler
4 Filtration device
5 Germicidal light
6 Indoor coil
7 Humidifier
8 HEPA bypass filtration system
9 Energy recovery ventilator
Supply duct
Return duct
Dehumidifier system
Residential generator
CUSTOMIZE YOUR COMFORT
Lennox® heating, cooling and indoor air quality products are designed to
provide efficient, economical comfort—not only as individual units, but also
together as an integrated system. This combined network of products delivers
on every comfort count, from consistent temperatures and balanced humidity to improved indoor air quality. Lennox
also offers a line of residential generators, which provide safe, reliable standby power in the event of outages.
DEALERS YOU CAN COUNT ON
Choosing the right dealer for your home’s heating, cooling and air quality needs is every bit as important as choosing the
right brand. We think you’ll agree our independent dealers are a big reason you can count on quality customer service
whenever you call. Your Lennox dealer’s dedication to quality shows in his knowledge, training and expertise in designing
the right system for your home, installing it properly and keeping it running perfectly for many years to come.
© Lennox Industries Inc. 2008
Visit us at www.lennox.com, or contact us at 1-800-9-LENNOX.
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PC53463(34M98) G 50 4/ 08
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