22 440 01 4300 00
Specifications subject to change without notice.
Figure 25 Suspended Furnace Installation
2−in.
(51 mm)
A11155
COMBUSTION − AIR PIPE
(SEE VENTING SECTION)
NOTE: Local codes may require a drain pan and condensate trap when a condensing furnace is installed over a finished
ceiling
Figure 26 Working Platform for Attic Installation
2−in.
(51 mm)
A11154
ROLLOUT PROTECTION RE-
QUIRED Install 1.2” x 22” (305 x 559
mm) sheet metal in front of burner
compartment area.
COMBUSTION − AIR PIPE
(SEE VENTING SECTION)
NOTE: Local codes may require a drain pan and condensate trap when a condensing furnace is installed over a finished
ceiling