Allied A95UH1E - Exiting Exhaust and Intake Vent (no common pressure zone); Field Supplied Wall Termination

507276-03Page 30 of 59 Issue 1621
Figure 38
Figure 37
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" (51 mm)
Vent Pipe
3" (76 mm)
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" (508 mm) 12" (508 mm)
6" (152 mm) 6" (152 mm)
8" (203 mm) 8" (203 mm)
12" (305 mm) 20" (508 mm)
6" (152 mm) 6" (152 mm)
NOTE − FIELD PROVIDED
REDUCER MAY BE
REQUIRED TO ADAPT
LARGER VENT PIPE SIZE
TO TERMINATION
D
B
C
SIZE TERMINATION
PER TABLE 8
1/2" (13 mm) ARMAFLEX
INSULATION IN UN-
CONDITIONED SPACE
STRAIGHT
APPPLICATION
B
C
A
D
* WALL
SUPPORT
1/2" (13 mm) ARMAFLEX INSULATION
IN UNCONDITIONED SPACE (IF REQUIRED)
E
EXTENDED
APPLICATION
A
((IF REQUIRED)
Field Supplied Wall Termination