Installation Guide

6
Concrete Slab Installations – Exhaust Through Wall
Duct-Free Filter Accessory Kit
On select downdraft models, the Duct-Free Filter Accessory
Kit Part Number JDA7000WX is now available. Duct-Free Filter
Accessory Kit is ideal for both new construction and kitchen
renovation projects because it provides an easy alternative to
the installation of metal ducting and venting in the downdraft
system outside the home. The kit includes all required hardware,
one filter and complete installation instructions.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.
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)
3
1
/
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 3
1
/
4
" x 10"
(8.3 cm x 25.4 cm) transition
1 ft
(0.3 m)
3
1
/
4
" x 10" (8.3 cm x 25.4 cm)
to 6" (15.2 cm) 90° elbow
transition
5.0 ft
(1.5 m)
6" (15.2 cm) to 3
1
/
4
" x 10"
(8.3 cm x 25.4 cm) 90° elbow
transition
5.0 ft
(1.5 m)
3
1
/
4
" x 10" (8.3 cm x 25.4 cm)
90° elbow
5.0 ft
(1.5 m)
3
1
/
4
" x 10" (8.3 cm x 25.4 cm)
flat elbow
12.0 ft
(3.7 m)
3
1
/
4
" x 10" (8.3 cm x 25.4 cm)
wall cap
0.0 ft
(0.0 m)
A
B
C
D
E
F
G
H
I
L
J
M
N
K
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. 6" (15.2 cm) round metal duct
F. 6" (15.2 cm) round
PVC coupling
G. Concrete slab
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. 30 ft (9.1 m) max.
L. 6" (15.2 cm) round 90° PVC
sewer pipe elbow
M. 6" (15.2 cm) round PVC
coupling
N. 12" (30.5 cm) minimum