Lennox SLP99DFV Series User Manual

Page 45
TYPICAL EXHAUST PIPE CONNECTIONS
TRANSITION
2”
2”
2”
3”
2”
2”
or
DO NOT transition from smaller
to larger pipe size in horizontal
runs of exhaust pipe.
TOP VIEW
EXHAUST
INTAKE
* When transitioning up in pipe size, use the shortest length of 2” PVC pipe possible.
NOTE − Exhaust pipe and intake pipe must be the same diameter.
*2”
TRANSITION
2”
1−1/2”
070 Only
DO NOT transition
from larger to smaller
pipe in horizontal runs
of exhaust pipe.
Exhaust
Exhaust
FIGURE 27
TYPICAL AIR INTAKE PIPE CONNECTIONS
2”
2”
TRANSITION
2”
3”
TRANSITION
3”
2”
2”
or
TOP VIEW
EXHAUST
INTAKE
* When transitioning up in pipe size, use the shortest length of 2” PVC pipe possible.
NOTE − Intake pipe and exhaust pipe must be the same diameter.
*2”
*2”
*2”
TRANSITION
2”
1−1/2”
070 Only
FIGURE 28

Lennox SLP99DFV Series Specifications

General

Brand	Lennox
Model	SLP99DFV Series
Category	Furnace
Language	English