6
Concrete Slab Installations -
Exhaust Through Window Well
Concrete Slab Installations - Exhaust Through Wall
Calculating Vent System Length
To calculate the length of the system you need, add the
equivalent feet (meters) for each vent piece used in the system.
A.Wall cap
B.12" (30.5 cm) minimum
C.Concrete slab
D.6" (15.2 cm) round PVC sewer pipe
E.5" to 6" (12.7 cm to 15.2 cm) transition
F. 6" (15.2 cm) round metal duct
G.6" (15.2 cm) round PVC coupling
H.6" (15.2 cm) round PVC sewer pipe
I.6" (15.2 cm) round 90° PVC sewer pipe elbow
J.Tightly pack gravel or sand completely around pipe.
K.42 ft (12.8 m) max.
L.6" (15.2 cm) round PVC coupling
M.6" (15.2 cm) minimum
N.Window well
A.Wall cap
B.6" (15.2 cm) round metal vent
C.16" (40.6 cm) maximum
D.6" (15.2 cm) round PVC sewer pipe
E.5" to 6" (12.7 cm to 15.2 cm) transition
F. 6" (15.2 cm) round metal duct
G.6" (15.2 cm) round PVC coupling
H.Concrete slab
I.6" (15.2 cm) round PVC sewer pipe
J.6" (15.2 cm) round 90° PVC sewer pipe elbow
K.Tightly pack gravel or sand completely around pipe.
L.30 ft (9.1 m) max.
M.6" (15.2 cm) round 90° PVC sewer pipe elbow
N.6" (15.2 cm) round PVC coupling
O.12" (30.5 cm) minimum
A
B
C
D
E
F
G
H
I
J
L
M
K
N
A
B
C
D
E
F
G
H
I
J
M
K
N
O
L
Vent Piece 6" (15.2 cm) Round
45° elbow 2.5 ft
(0.8 m)
90° elbow 5.0 ft
(1.5 m)
6" (15.2 cm)
wall cap
0.0 ft
(0.0 m)
3¹⁄₄" x 10" (8.3 cm x 25.4 cm)
to 6" (15.2 cm) transition
4.5 ft
(1.4 m)
6" (15.2 cm) to 3¹⁄₄" x 10"
(8.3 cm x 25.4 cm) transition
1 ft
(0.3 m)
3¹⁄₄" x 10" (8.3 cm x 25.4 cm)
to 6" (15.2 cm) 90° elbow
transition
9.0 ft
(2.7 m)
6" (15.2 cm) to 3¹⁄₄" x 10"
(8.3 cm x 25.4 cm) 90° elbow
transition
5.0 ft
(1.5 m)
3¹⁄₄" x 10" (8.3 cm x 25.4 cm)
90° elbow
5.0 ft
(1.5 m)
3¹⁄₄" x 10" (8.3 cm x 25.4 cm)
flat elbow
12.0 ft
(3.7 m)
3¹⁄₄" x 10" (8.3 cm x 25.4 cm)
wall cap
0.0 ft
(0.0 m)
5" to 6" (12.7 cm to 15.2 cm)
transition
1 ft
(0.3 m)