International comfort products B Series Installation Instructions Manual page 40

INSTALLATION INSTRUCTIONS
permitted) that re-directs the flue gas away by use of an elbow
or tee, certified to ULC S636 from the adjacent property line
must be used. (See Figure 44 and Figure 46)
The concentric vent kit currently cannot be modified to attach
an elbow to the vent portion of the rain cap. A tee attached to
the rain cap could potentially direct the flue gas plume toward
the intake air stream and contaminate the incoming combustion
air for the furnace.
Refer to Figure 44 and Figure 46 for terminations approved for
use in Alberta and Saskatchewan.
Figure 44 Tee at Termination Outlet
ABOVE ANTICIPATED
Sample Inlet Air Pipe Connection
Figure 45
for Polypropylene Venting Systems
EXAMPLE FOR
UPFLOW INSTALLATIONS.
MAY BE APPLIED TO
OTHER CONFIGURATIONS.
40
OPTIONAL TERMINATION
BRACKET FOR 2-PIPE
TERMINATIONS
12 IN. (305 MM) MIN.
SEPARATION BETWEEN
BOTTOM OF COMBUSTION
AIR AND BOTTOM OF VENT.
12-IN. (305 MM)
SNOW LEVEL
A13078A
A12220
Specifications subject to change without notice.
Figure 46 Vent Terminations
OPTIONAL
BRACKET
COUPLING
COMBUSTION-AIR
(ELBOW PARALLEL TO WALL)
EXHAUST
Gas Furnace: N9MSB
12 IN. (305 MM) MIN. SEPARATION
BETWEEN BOTTOM OF
COMBUSTION AIR AND
BOTTOM OF VENT.
MAINTAIN 12 IN. (305 MM)
CLEARANCE ABOVE
HIGHEST ANTICIPATED
SNOW LEVEL OR GRADE,
WHICHEVER IS GREATER.
A13078B
OVERHANG
CLEARANCE TO OVERHANG PER CODE
12 IN. (305 MM) MIN. GROUND
LEVEL OR ANTICIPATED SNOW LEVEL
A13078C
440 01 4102 01