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CONTINUOUS COMFORT NETWORK
The O23V Variable Speed Furnace is designed to easily integrate with other quality Lennox
a total home comfort solution:
XC21 Air Conditioner is the most quiet and efficient central air conditioner you can buy.**
Air Purification System cleans the air in your home better than any other single system you can buy.
Zoning System provides customized, room-to-room comfort.
**A combination of sound ratings established per ARI’s test standard: 270 and efficiency ratings established per ARI’s test standard: ANSI/ARI 210/240-2005.
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
Annual Fuel Utilization Efficiency (AFUE)
Oil-fired forced-air furnace
Lennox is proud of the
fact that these products
have earned the Good