Lenoxx Electronics O23 User Manual
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3
THIS MODEL
81%-83%
INNOVATIVE FEATURES FOR ENHANCED COMFORT AND EFFICIENCY
Elite
®
Series O23 Specifications
O23 Up-flow
Q2/3-70/90
Q3/4-105/120
Q5-140/154
AFUE
83%
81%
81%
Dimensions HxWxD (in.)
54 x 19-1/2 x 30-5/8
54 x 19-1/2 x 30-5/8
54 x 22-1/2 x 33-1/8
HxWxD (mm)
1372 x 495 x 778
1372 x 495 x 778
1372 x 572 x 841
OF23 Lo-Boy (Rear Flue)
Q3/4-105/120R
Q5-140/154R
OF23 Lo-Boy (Front Flue)
Q3/4-105/120
Q5-140/154
OF23Q5-175/210R
AFUE
81%
81%
80%
Dimensions HxWxD (in.)
37 x 19-1/2 x 52-1/8
37 x 22-1/2 x 52-1/8
39 x 24 x 54-3/4
HxWxD (mm)
940 x 495 x 1324
940 x 572 x 1324
991 x 610 x 1391
OHR23 Down-flow/Horizontal
Q3-105/120
Q5-140/154
AFUE
81%
81%
Dimensions HxWxD (in.)
59 x 20-1/2 x 20-1/2
59 x 23-1/2 x 23-1/2
HxWxD (mm)
1499 x 521 x 521
1499 x 597 x 597
Note: Due to Lennox’ ongoing commitment to quality, all specifications, ratings and dimensions are subject to change without notice.
Heavy-Gauge Steel Heat Exchanger
–
Allows air to glide evenly over its smooth surface for
maximum heating efficiency.
Innovative Combustion Chamber
–
Constructed from alumina-silica ceramic fiber, provides
quiet operation and high efficiency.
Beckett AFII Burner
–
Delivers super-efficient combustion for greater
fuel economy.
Heavy-Duty Fuel Pump
–
Provides quiet, reliable operation with fast shutoff of oil flow.
Insulated Blower Compartment
–
Minimizes operating sounds.
Durable, Insulated Steel Cabinet
–
Built to last and coated with a high-quality paint finish.
O23
Up to
83% AFUE