Goodman GMEC96 Service Instructions Manual page 20

SYSTEM OPERATION
COMBUSTION AIR INTAKE
(OPTIONAL)
*Not required for
single pipe installation
12" MIN TO ROOF OR HIGHEST
ANTICIPATED SNOW LEVEL
STRAIGHT
12" MIN.
HIGHEST ANTICIPATED
Horizontal Termination (Single Pipe)
Above Highest Anticipated Snow Level
20
TEE (OPTIONAL)
12" MIN
HEIGHT DIFFERENCE
BETWEEN
INTAKE AND VENT
ELBOWS
VENT/FLUE TEE ( OPTIONAL)
or
45° ELBOW
TURNED DOWN or
90° ELBOW TURNED
DOWN
12" MIN. ABOVE
SNOW LEVEL
10"- 24"
6" MAX
4" MIN
90º OR 45°
ELBOW
Standard Horizontal Terminations (Dual Pipe)
HIGHEST ANTICIPATED
Alternate Horizontal Vent Termination (Dual Pipe)
Combustion Air Intake may also be snorkeled to obtain 12" min ground
clearance.
AlternateVentTerminationAboveAnticipatedSnowLevel
(DualPipe)
12" MIN. TO GRADE OR
HIGHEST ANTICIPATED
SNOW LEVEL
90°
ELBOWS
3" - 24"
12" MIN. ABOVE
SNOW LEVEL
90°
ELBOWS
3"-24" BETWEEN PIPES
12" MIN. ABOVE
HIGHEST ANTICIPATED
SNOW LEVEL