CONDENSATE DRAIN THROUGH VENT TERMINATION
DOWNWARD SLOPE ON HORIZONTAL VENT
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.
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.
12 INCHES
FIGURE 5
TABLE 7
Category III Horizontal Venting Components
(Required for Horizontal Vent Applications)
4" upward sloped Cat III vent kit
4" downward sloped Cat III vent kit
4" 90° elbow Cat III (optional)
4" straight pipe (length = 6")
4" straight pipe (length = 12")
4" straight pipe (length = 36")
5" upward sloped Cat III vent kit
5" downward sloped Cat III vent kit
5" 90° elbow Cat III (optional)
5" straight pipe (length = 6")
5" straight pipe (length = 12")
5" straight pipe (length = 36")
6" upward sloped Cat III vent kit
6" downward sloped Cat III vent kit
6" 90° elbow Cat III (optional)
6" straight pipe (length = 12")
6" straight pipe (length = 36")