Lennox EL297DFV Series Unit Information page 3

OPT IONAL AC C ESSORIES - ORD ER SEPARAT ELY
NOTE - FURNACES CANNOT BE TWINNED!
CABINET ACCESSORIES
Downflow Combustible Flooring Base
High Performance Economizer (Commercial Only)
CONDENSATE DRAIN KITS
Condensate Drain Heat Cable
Crawl Space Vent Drain Kit
CONTROLS
S40 Smart Wi-Fi Thermostat
Discharge Air Temperature Sensor
1
E30 Smart Wi-Fi Thermostat
Remote Outdoor Temperature Sensor
2
FILTERS
Downflow Filter Cabinet
3
VENTING
Flue Coupling
⁴ Left Side Vent Kit
Optional for service diagnostics.
1
Remote Outdoor Temperature Sensor is used with conventional (non-Lennox
2
outdoor units). Allows the thermostat to display outdoor temperature. Required in dual-fuel and EDA applications.
Cleanable polyurethane, frame-type filter.
3
NOTE - The curved exhaust pipe furnished with the Left Side Vent Kit counts as one additional 2 in. diameter 90° elbow. When using 3 in. diameter pipe, the furnished
4
curved exhaust pipe and field provided fittings to transition from 2 in. to 3 in. count as 20 feet of equivalent pipe on all units.
NOTE - Termination Kits (44W92, 44W93, 30G28, 51W12, 81J20) and Crawl Space Vent Drain Kit (15Z70) are certified to ULC S636 standard for use in Canada only.
6 ft.
24 ft.
US
Canada
No. and Size of filter - in.
2 in.
2 or 3 in.
Communicating) outdoor units (sensor is furnished with Lennox
®
Page 3
"B" Width Models "C" Width Models
11M60
10U53
26K68
26K69
51W18
15Z70
22V24
88K38
20A65
X2658
51W07
(2) 16 x 20 x 1
17H92
87W73
11M61
10U53
26K68
26K69
51W18
15Z70
22V24
88K38
20A65
X2658
51W08
(2) 16 x 20 x 1
17H92
87W73
Communicating
®