Adp SEP-100, Installation Instructions Manual, Page: 9 / 20

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.
COMBUSTION AIR INDUCER CAN
BE ROTATED ON UNITS
SEP −100, −115 and −145 ONLY.
NOTE − FOR SEP −175, −200,
−230, −250 −250, −300, −345
and 400. DO NOT ROTATE THE
COMBUSTION AIR INDUCER;
USE 90
°
ELBOW.
HORIZONTAL VENTING
NOTE
− Minimum horizontal length
equals 5 feet (1.53 m). This does not
UPWARD SLOPE
include termination tee. Refer to
table 6 for maximum length and
number of elbows.
COMBUSTION
CATEGORY III
ADAPTER
AIR INDUCER
(Make airtight using 12 INCHES
high −temperature MIN.
sealant provided in kit) (30.5 CM)
VENT
TERMINATION
TEE OR 90
°
LISTED WALL
ELBOW
THIMBLE
12" (30.5CM)
THROUGH MINIMUM ABOVE
COMBUSTIBLE HIGHEST
WALL SNOWFALL
DRAIN LOOP WITH
WATER TRAP TO
CONDENSATE TRAP
GROUND LEVEL
(Provided by installer)
FIGURE 3
CONDENSATE DRAIN THROUGH TEE PIPE AND DRAIN LOOP
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.
TEE PIPE
SECTION
DRAIN LOOP WITH
WATER TRAP TO
CONDENSATE TRAP
(Provided by installer)
12 INCHES
(30.5 cm)
MINIMUM
VENT TERMINATION
TEE OR 90° ELBOW
FIGURE 4
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