Lenoxx Electronics G51 User Manual

G51 High-Efficiency Gas Furnace ◆ 92.1% AFUE

LENNOX’ ELITE® SERIES

Home Comfort Systems

G51

Single-stage, high-efficiency furnace

Elite® Series G51 Furnace

High efficiency can save you

™

hundreds of dollars each year

SureLight® Control delivers
starting reliability

Low-speed, continuous fan
setting provides a consistent
flow of air

ENERGY STAR® qualified

Innovation never felt so good.

Maximum comfort is yours with the Elite® Series G51 gas furnace. The G51

surrounds you in warmth, without undue noise. Its sound-absorbing,

insulated cabinet delivers smooth, quiet operation.

ENGINEERED FOR COMFORT AND EFFICIENCY

The G51 has a low-speed, continuous fan setting that provides maximum

comfort with remarkable efficiency, which means you’ll stay warm for less.

3-YEAR HEATING SAVINGS

Efficient Can give you

significant energy savings year

after year

The G51 gas furnace not only

keeps you warm—it also reduces

your energy costs. With an efficiency

rating of 92.1% AFUE (Annual

Fuel Utilization Efficiency), the

G51 offers more comfort for

your energy dollars.

$4000

92.1%

vs. 55%

$3378

$2088

92.1%

vs. 65%

$3000

$2500

$2000

$1500

$1000

$500

0

AFUE

92.1% efficient G51 gas furnace vs.
55% and 65% equivalent AFUE units

EFFICIENCY RATING

92.1% AFUE (Annual Fuel

Utilization Efficiency).

WARRANTY*

Limited lifetime warranty
on the heat exchanger.

5-year limited warranty
on all remaining covered
components.

*Applies to residential applications only.
See actual warranty certificate for details.

2

2

This chart depicts potential energy savings you can
expect from the G51 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 $1.281 ccf for
gas. Your actual savings will vary depending on the
weather, local fuel rates and your lifestyle.

Source: U.S. Department of Energy national average
energy rates.

Reliable Designed and tested to ensure optimal performance

Every component of the G51 is rigorously tested in our dedicated research lab.

As a result, you can count on your new furnace to deliver the highest possible

level of reliability and performance.