Lennox ELITE EL296DFE Installation Instructions Manual page 21

045/070 Only
1−1/2"
TRANSITION
2"
Exhaust
DO NOT transition
from larger to smaller
pipe in horizontal runs
of exhaust pipe.
TYPICAL INTAKE PIPE CONNECTIONS
045/070 Only
1−1/2"
TRANSITION
2"
2"
TYPICAL EXHAUST PIPE CONNECTIONS
2"
2"
3"
TRANSITION
*2"
* 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.
FIGURE 27
2"
2"
3"
*2"
TRANSITION
*2"
* 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.
FIGURE 28
Page 21
2"
2"
2"
or
Exhaust
DO NOT transition from smaller
to larger pipe size in horizontal
runs of exhaust pipe.
2"
2"
or
TRANSITION
*2"
3"
INTAKE
EXHAUST
TOP VIEW
INTAKE
EXHAUST
TOP VIEW