EN
W415-2034 / A / 10.18.19
15
minimum venting requirements
LV38-1
LV50-2
LV62
LV74
D
40” (101.6cm)
46 1/2” (118.1cm)
N/A*
LV38-1
LV50-2
LV62
LV74
D
40” (101.6cm)
46 1/2” (118.1cm)
52 1/2” (133.4cm)
58 1/2” (148.6cm)
30”
(76.2cm)
LV38-1 & LV50-2:
30” (76.2cm) min
LV62 & LV74N:
48” (121.9cm) min
LV74P:
58” (147.3cm) min
LV38-1 & LV50-2:
62 3/4” (159.4cm)
min plus rise
LV62 & LV74N:
80 3/4” (205.1cm)
min plus rise
LV74P:
90 3/4” (230.5cm)
min plus rise
62 3/4"
(159.4cm)
18"
(45.7cm)
SINGLE-SIDED
SINGLE-SIDED
SEE-THRU
SEE-THRU
3.1
typical venting installation
minimum plus rise
maximum
minimum
base of
air collar
base of
air collar
D
maximum
special vent installation (periscope termination)
Use the periscope kit to locate the air termination above grade. The periscope must be installed so that when
fi nal grading is completed, the bottom air slot is located a minimum 12” (30.5cm) above grade. The maximum
allowable vent length is 10’ (3m).
12"
(30.5cm)
minimum
to grade
30”
(76.2cm) min.
base of air collar
12"
(30.5cm)
minimum
to grade
base of air collar
LV38-1 & LV50-2:
30” (76.2cm) min
D
maximum
*Periscope cannot be used for the models indicated.