Front - Lennox G71MPP Installation Instructions Manual

3(76) MAX.
Inches(mm)
8" (203) MIN
12" (305) ABOVE
AVERAGE SNOW
ACCUMULATION
3" (76) OR
2" (51) PVC
PROVIDE SUPPORT
FOR INTAKE AND
EXHAUST LINES
DIRECT VENT ROOF TERMINATION KIT
(15F75 or 44J41)
FIGURE 25
EXHAUST
12" (305) ABOVE
TERMINATION
AVERAGE SNOW
ACCUMULATION
INTAKE
TERMINATION
EXHAUST
DIRECT VENT CONCENTRIC ROOFTOP TERMINATION
(71M80, 69M29 or 60L46)
FIGURE 26
Inches (mm)
EXHAUST
INTAKE
FIELD−PROVIDED
REDUCER MAY
BE REQUIRED TO
ADAPT LARGER
VENT PIPE SIZE
TO TERMINATION
DIRECT VENT CONCENTRIC WALL TERMINATION
(71M80, 69M29 or 60L46)
FIGURE 27
SIZE TERMINATION
PIPE PER TABLE 8.
UNCONDITIONED
ATTIC SPACE
1/2" (13) FOAM
INSULATION IN
UNCONDITIONED
SPACE
Inches (mm)
FIELD−PROVIDED
REDUCER MAY BE REQUIRED
TO ADAPT LARGER VENT
PIPE SIZE TO TERMINATION
INTAKE
INTAKE
TERMINATION
EXHAUST
TERMINATION
12" (305) Min.
above grade or average
snow accumulation.
Inches(mm)
UNCONDITIONED
SPACE
OUTSIDE WALL
PROVIDE SUPPORT
FOR INTAKE AND
EXHAUST LINES EVERY
36" (914)
FIELD−PROVIDED
REDUCER MAY
BE REQUIRED TO
ADAPT LARGER
VENT PIPE SIZE
TO TERMINATION
1/2" (13) FOAM
INSULATION IN
UNCONDITIONED
SPACE
DIRECT VENT WALL RING TERMINATION
See venting table 7 for maximum venting lengths with this arrangement.
INTAKE
VENT
(with optional
elbow)
1/2" (13) Foam Insulation
in Unconditioned Space
FIELD−
PROVIDED
REDUCER MAY
BE REQUIRED
TO ADAPT
LARGER VENT
PIPE SIZE TO
TERMINATION
Inches (mm)
DIRECT VENT WALL TERMINATION KIT
(22G44, 44J40, 30G28 or 81J20)
Page 23
12" (305) MAX. for 2" (51)
(unless supported)
8 (203)
MIN.
TERMINATION
PIPE PER
12" (305) ABOVE
AVERAGE SNOW
ACCUMULATION
1/2" (13) FOAM
INSULATION
SIDE VIEW
(15F74)
FIGURE 28
EXHAUST VENT
Front View
Side View
EXHAUST VENT
INTAKE
VENT
(with optional
elbow)
OUTSIDE WALL
FIGURE 29
SIZE
TABLE 8.