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HORIZONTAL VENTING
(2-Pipe Shown)
VERTICAL VENTING
(2-Pipe Shown)
Support System on
34
First Support as Close
to Furnace as Possible
90° Elbows
Exhaust Vent
Straight Neoprene
Couplings with 2
Hose Clamps
See Table 2 for
2" PVC Pipe Lengths
(Field Supplied)
Vertical Rise
Straight Neoprene
Couplings with 2
Hose Clamps
2" PVC Pipe Lengths
(Field Supplied)
Figure 30. Horizontal and Vertical Venting
Straps or Other Suitable Supports
at minimum 5 ft. Intervals
Upward Pitch 1/4" Per Foot
(Exhaust Vent)
Combustion Air
Vent Pipe
First Support as Close
to Furnace as Possible
90° Elbows
Exhaust Vent
See Table 2 for
7"
Wall
Normal Snow Level
Support System on
5'
Upward Pitch 1/4" Per Foot
(Exhaust Vent)
Combustion Air Vent Pipe
Seal / Caulk
Around Pipes
at Wall
90° Elbow
12" Min.
Vertical Rise
90° Elbow
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