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TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN UPFLOW DIRECT OR
EXHAUST
Appliance
Adaptor
2"
2"
INTAKE
* When transitioning up in pipe size, use the shortest length of 2" PVC pipe possible.
TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN HORIZONTAL DIRECT OR NON-DIRECT VENT
EXHAUST
* When transitioning up in pipe size, use the shortest length of 2" PVC pipe possible.
NON-DIRECT VENT APPLICATIONS
EXHAUST
INTAKE
3"
TRANSITION
Appliance
Adaptor
*2"
FIGURE 26
APPLICATIONS
(RIGHT HAND DISCHARGE SHOWN)
12" max.
2"
or
2"
2"
2"
Appliance
Adaptor
2"
INTAKE
2"
DO NOT transition
from smaller to larger
pipe in horizontal runs
of exhaust pipe.
FIGURE 27
2"
DO NOT transition
from smaller to larger
3"
pipe in horizontal runs
*2"
TRANSITION
2"
45°
45°
MAX
MAX
SIDE VIEW
Page 22
2"
2"
or
of exhaust pipe.
3"
EXHAUST
*2"
Appliance
Adaptor
INTAKE
2"
2"
2"
*2"
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