Allied Air Enterprises WARM AIR GAS FURNACE 92G1UH - Manual (Page 27)

506724-01 Page 27 of 57 Issue 1108
FIGURE 31
FIELD SUPPLIED WALL TERMINATION
See venting table 5 for maximum venting lengths with this
arrangement.
* Use wall support every 24" (610 mm). Use two wall supports if
extension is greater than 24" (610 mm) but less than 48" (1219 mm).
NOTE − One wall support must be 6" (152 mm) from top of each pipe
(intake and exhaust)
2" (51mm)
Vent Pipe
3" (76mm)
Vent Pipe
A −Minimum clearance
above grade or average
snow accumulation
B −Maximum horizontal
separation between
intake and exhaust
C −Minimum from
end of exhaust to
inlet of intake
D−Maximum exhaust
pipe length
E −Maximum wall support
distance from top of each
pipe (intake/exhaust)
12" (508MM) 12" (508MM)
6" (152MM) 6" (152MM)
8" (203MM) 8" (203MM)
12" (305MM) 20" (508MM)
6" (152MM) 6" (152MM)
NOTE − FIELD PROVIDED
REDUCER MAY BE
REQUIRED TO ADAPT
LARGER VENT PIPE SIZE
TO TERMINATION
D
B
C
SIZE TERMINATION
PER TABLE 6
1/2" (13mm) ARMAFLEX
INSULATION IN UN-
CONDITIONED SPACE
STRAIGHT
APPPLICATION
B
C
A
D
* WALL
SUPPORT
1/2" (13mm) ARMAFLEX INSULATION
IN UNCONDITIONED SPACE (IF REQUIRED)
E
EXTENDED
APPLICATION
A
( (IF REQUIRED)