Goodman *CVC96 Installation Instructions Manual page 17

DOWN VENTING UPFLOW MODEL FURNACES ONLY
Combustion Air Pipe
All piping and fittings must be joined per material manufacturer's specifications
NOTE: Terminate both pipes in the same pressure zone (same side of roof, no major obstacles between pipes, etc.).
COMBUSTION AIR INTAKE
(OPTIONAL)
*Not required for
single pipe installation
12" MIN TO ROOF OR HIGHEST
ANTICIPATED SNOW LEVEL
Field Supplied
Drain Tee on Vent Pipe
to prevent separation and flue gas leaks.
TEE (OPTIONAL)
12" MIN
HEIGHT DIFFERENCE
BETWEEN
INTAKE AND VENT
Figures 13
Use alternate vent
& combination air locations
Vent Pipe
Condensate trapped
to prevent flue gas from escaping
and routed to field supplied
condensate disposal
Figure 12
17
Both Pipes Terminated
Outside Structure
1/4" per foot min. slope
ELBOWS
STRAIGHT
Figure 14
6' MAX.