51
See Table 2 for 2” PVC pipe
lengths (field supplied)
Figure 40.
See Table 2 for 2” PVC pipe
lengths (field supplied)
See Table 2 for 2” PVC pipe
lengths (field supplied)
Support System on
Vertical Rise
First Support as Close
to Furnace as Possible
Couplings with 2
Hose Clamps (Optional)
FLUE PIPE
Coupling with 2 Hose
Clamps (Optional)
Straps or Other Suitable
Supports at minimum of 5 ft. Intervals
Upward Pitch - 1/4” per foot
(Flue Pipe)
First support placed as close
to furnace connection as possible
Wall
Normal
Snow Level
COMBUSTION AIR
90° Elbow
(both ends)
Seal/Caulk
Around Pipes
at Building
90°
Elbow
7”
12” Min.
90°
Elbow
90° Elbow
Support System on
Vertical Rise
COMBUSTION AIR
FLUE PIPE
FLUE PIPE
COMBUSTION AIR
HORIZONTAL VENTING w/ 2-Pipes
(Upflow Furnace Shown)
VERTICAL VENTING w/ 2-Pipes
(Upflow Furnace Shown)
PVC Te e
PVC Trap
PVC Te e
PVC Trap
PVC Te e
PVC Trap
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