continuous comfort netWorK
the o23v variable speed furnace
is designed to easily integrate with other quality Lennox
®
products, providing
a total home comfort solution:
Xc21 air conditioner
is the most quiet and efficient central air conditioner you can buy.**
pureair
™
air purification system
cleans the air in your home better than any other single system you can buy.
harmony iii
™
Zoning system
provides customized, room-to-room comfort.
**A combination of sound ratings established per ARI’s test standard: 70 and efficiency ratings established per ARI’s test standard: ANSI/ARI 10/40-005.
O23V Upflow
V2/3-70/90
V3/4-105/120
V5-140/154
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
Note: Due to Lennox’ ongoing commitment to quality, all specifications, ratings and dimensions are subject to change without notice.
dave lennox
Signature
®
collection o23v specifications
4
THIS MODEL
Annual Fuel Utilization Efficiency
(AFUE)
Oil-fired forced-air furnace
more energy-efficient
87%
78%
81%-83%
Lennox is proud of the
fact that these products
have earned the Good
Housekeeping Seal.
