Lennox SL297UHNV Series - Page 41

Page 41
TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN UPFLOW
TRANSITION
2”
2”
2”
3”
2”
2”
or
DO NOT transition
from smaller to larger
pipe in horizontal runs
of exhaust pipe.
EXHAUST
*2”
* When transitioning up in pipe size, use the shortest length of 2” PVC pipe possible.
INTAKE
TRANSITION
3”
*2”
EXHAUSTINTAKE
2”
Appliance
Adaptor
Appliance
Adaptor
FIGURE 22
SIDE VIEW
2”
2”
2”
2”
or
TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN HORIZONTAL APPLICATIONS
2”
45°
MAX
45°
MAX
DO NOT transition
from smaller to larger
pipe in horizontal runs
of exhaust pipe.
EXHAUST
12” max.
* When transitioning up in pipe size, use the shortest length of 2” PVC pipe possible.
INTAKE
3”
*2”
*2”
2”
2”
2”
2”
Appliance
Adaptor
Appliance
Adaptor
EXHAUST
INTAKE
FIGURE 23