Typical Air Intake Pipe Connections - Lennox G71MPP-36B-070 Installation Instructions Manual

TYPICAL AIR INTAKE PIPE CONNECTIONS
UPFLOW OR DOWNFLOW DIRECT VENT APPLICATIONS
(Right-Hand Exit in Upfiow Application Shown)
PLUG
(Must be
glued in
place)
-36B-070
-36C-090
-60C-090
2-1/2", [:_
3" OR
4'
TRANSITION [_2"
TRANSITION
-36B-070
-36C-090
-60C-090
-60C-110
*Limit pipe length to 4" in
G 71MPP-135 applications.
-36B-070
-36C-090
-60C-090
-60C-110
-60D-135"
FIGURE 21
TYPICAL AIR INTAKE PIPE CONNECTIONS
HORIZONTAL DIRECT VENT APPLICATIONS
(Horizontal Right-Hand Air Discharge Application Shown)
*Limit pipe -36B-070
-36C-090
length to 4" in -60C-090
- 135 applications. -60C-110
-60D-135"
-36B-070
-36C-090
-60C-090
-60C-110
TRANSITION
2"*
2-1/2",
3" OR 4"
-36B-070
-36C-090
-60C-090 2,,L_
FIGURE 22
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