INSTALLATION INSTRUCTIONS
Figure 48
Vent Terminations
OPTIONAL
BRACKET
COUPLING
COMBUSTION-AIR
(ELBOW PARALLEL TO WALL)
Figure 49
Combustion Air and Vent Pipe Termination for Direct Vent (2−Pipe) System
¾
¾
42
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
12 in. (305mm) min. separation
between bottom of combustion
air and bottom of vent (Typ.)
Specifications subject to change without notice.
Gas Furnace: (F/G)9MVT, (F/G)9MXT, (F/G)9MXE
EXHAUST
OVERHANG
CLEARANCE TO OVERHANG PER CODE
12 IN. (305 MM) MIN. GROUND
LEVEL OR ANTICIPATED SNOW LEVEL
A13078C
A13077
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