MG3P Installation Manual

50
Figure 51. MG3P Horizontal & Vertical Venting
2” x 3” Neoprene
Couplings with 2
Hose Clamps
Normal Snow Level
MG3P VERTICAL VENTING
(2-Pipe, Upflow Furnace Shown)
MG3P HORIZONTAL VENTING
(2-Pipe, Upflow Furnace Shown)
Wall
Seal / Caulk
Around Pipes
at Wall
3” x 90° Elbow
12” Min.
Support System on
Vertical Rise
Support System on
Vertical Rise
First Support as Close
to Furnace as Possible
2” x 3” Neoprene
Couplings with 2
Hose Clamps
Upward Pitch 1/4” Per Foot
(Exhaust Vent)
5’
3” Combustion Air Vent Pipe
7”
3” x 90° Elbows
3” x 90° Elbow
Exhaust Vent
3” Exhaust Vent
Straps or Other Suitable
Supports at minimum
5 ft. Intervals
3” Combustion Air
Vent Pipe
3” Exhaust Vent
3” x 90° Elbows
Upward Pitch 1/4” Per Foot
(Exhaust Vent)
First Support as Close
to Furnace as Possible
Combustion Air
See Table 1 for
2” PVC pipe lengths
(field supplied)
See Table 1 for
2” PVC pipe lengths
(field supplied)