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Elite
®
Series G51 Specifications
G51 24B-045 36B-045 36B-070 36C-090 48C-090 60C-090
AFUE 92.1% 92.1% 92.1% 92.1% 92.1% 92.1%
Dimensions HxWxD (in.) 40 x 17-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 21 x 28-1/2 40 x 21 x 28-1/2
HxWxD (mm) 1016 x 446 x 724 1016 x 446 x 724 1016 x 446 x 724 1016 x 446 x 724 1016 x 533 x 724 1016 x 533 x 724
G51 48C-110 60C-110 60D-135
AFUE 92.1% 92.1% 92.1%
Dimensions HxWxD (in.) 40 x 21 x 28-1/2 40 x 21 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 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.
THIS MODEL
92.1%
INNOVATIVE FEATURES FOR ENHANCED COMFORT AND EFFICIENCY
G51
92.1% AFUE
Insulated Blower Compartment –
Reduces sound for quieter operation.
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
®
Igniter –
Made of silicon nitride for reliable,
long-life performance
Robust Stainless Steel
Secondary Heat Exchanger
–
Time-tested design allows the furnace to achieve
high efficiency levels by capturing additional heat.
SureLight Control Board –
Controls furnace operation to
ensure reliable, efficient performance.
Durable Steel Cabinet –
Built to last and coated with high-quality, textured-
paint finish.
Many Lennox
®
home
comfort systems meet
ENERGY STAR
®
requirements
when used with appropriate
components. Ask your
dealer for details.