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