Installation Manual

Specifications subject to change without notice.
440 01 4900 00 65
3” (76 mm)
12” (305 mm)
Pipe hangar
Ventilated Combustion Air
intake termination in crawl
space
Ventilated Combustion
Air intake pipe
CRAWL SPACE
ATTIC
highest level of insulation
A10497
Fig. 57 -- Vent Terminations for Ventilated Combustion Air