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HORIZONTAL VENTING w/ 2-Pipes
(Upflow Furnace Shown)
90°
Elbow
VERTICAL VENTING w/ 2-Pipes
(Upflow Furnace Shown)
Support System on
Vertical Rise
See
Table 2
for 2" PVC pipe
lengths (field supplied)
Couplings with 2
Hose Clamps (Optional)
*SD & *SM Series (95.0 % AFUE)
Supports at minimum of 5 ft. Intervals
COMBUSTION AIR
90° Elbow
See
Table 2
for 2" PVC pipe
lengths (field supplied)
PVC Tee
PVC Trap
Figure 39. Horizontal & Vertical Venting
Straps or Other Suitable
Upward Pitch - 1/4" per foot
(Flue Pipe)
First support placed as close
to furnace connection as possible
PVC Tee
PVC Trap
First Support as Close
to Furnace as Possible
90° Elbow
(both ends)
Seal/Caulk
Around Pipes
at Building
7"
Wall
Normal
Snow Level
Support System on
Vertical Rise
COMBUSTION AIR
See
Table 2
for 2" PVC pipe
lengths (field supplied)
90°
Elbow
12" Min.
PVC Tee
PVC Trap
49
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