International comfort products B Series Installation Instructions Manual page 50

Single−stage, psc blower motor 35" tall, high efficiency condensing gas furnace
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INSTALLATION INSTRUCTIONS
Figure 56
Crawl Space Vent Termination
Figure 57
Attic Vent Termination
50
Ventilated Combustion
Air intake pipe
Pipe hangar
Ventilated Combustion Air
intake termination in crawl
space
Vent through
roof flashing
Specifications subject to change without notice.
3" (76 mm)
12" (305 mm)
CRAWL SPACE
Ventilated Combustion
Air intake pipe
12" (305 mm) min. above
higest level of insulation
ATTIC
Gas Furnace: N9MSB
L11F016
440 01 4102 01

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