Lennox LF24-100 User Manual

Page 9
FIGURE 5
CONDENSATE DRAIN THROUGH VENT TERMINATION
DOWNWARD SLOPE ON HORIZONTAL VENT
12 INCHES
(30.5 cm)
MINIMUM
VENT TERMINATION
TEE OR 90° ELBOW
NOTE − Minimum horizontal
length equals 5 feet (1.53 m). This
does not include termination tee.
Refer to table 6 for maximum
length and number of elbows.
DOUBLE
MALE
ADAPTER
(Cat III kits
only)
Venting may be single−wall (26 GSG)
galvanized or equivalent stainless
steel vent pipe sealed per these
instructions, OR listed special vent
for Category III appliances.
SLOPE = 1/4 IN. PER FOOT RUN
MAXIMUM.
TABLE 7
Category III Horizontal Venting Components
(Required for Horizontal Vent Applications)
Unit Catalog Number Model Number Description
LF24−100
LF24−115
LF24−145
75W63 C5VENT4KU 4" upward sloped Cat III vent kit
75W67 C5VENT4KD 4" downward sloped Cat III vent kit
75W71 C5VENT4E 4" 90° elbow Cat III (optional)
75W77 C5VENT4P6 4" straight pipe (length = 6")
75W78 C5VENT4P6 4" straight pipe (length = 12")
75W79 C5VENT4P6 4" straight pipe (length = 36")
LF24−175
LF24−200
LF24−230
LF24−250
LF24−300
75W64 C5VENT5KU 5" upward sloped Cat III vent kit
75W68 C5VENT5KD 5" downward sloped Cat III vent kit
75W72 C5VENT5E 5" 90° elbow Cat III (optional)
75W80 C5VENT5P6 5" straight pipe (length = 6")
75W81 C5VENT5P12 5" straight pipe (length = 12")
75W82 C5VENT5P36 5" straight pipe (length = 36")
LF24−345
LF24−400
75W65 C5VENT6KU 6" upward sloped Cat III vent kit
75W69 C5VENT6KD 6" downward sloped Cat III vent kit
75W73 C5VENT6E 6" 90° elbow Cat III (optional)
75W83 C5VENT6P12 6" straight pipe (length = 12")
75W84 C5VENT6P36 6" straight pipe (length = 36")

Lennox LF24-100 Specifications

General

Brand	Lennox
Model	LF24-100
Category	Heater
Language	English