6" (15.2 cm) round metal vent

Determine equivalent length of vent. Maximum equivalent length of vent is 60 ft (18.3 m).

wall cap

12" (30.5 cm)

minimum

6" (15.2 cm) round PVC coupling

6" (15.2 cm) round 90° PVC sewer pipe elbow

6" (15.2 cm) transition

round PVC

6" (15.2 cm)

sewer pipe

round metal vent

 

16" (40.6 cm)

6" (15.2 cm)

round PVC

maximum

coupling

 

 

concrete slab

 

6" (15.2 cm)

 

round PVC

30" (76.2 cm)

sewer pipe

max.

6" (15.2 cm)

Tightly pack gravel or sand

round 90°

completely around pipe.

PVC sewer

 

pipe elbow

List the number of each piece and length of straight vent you will use. Multiply the equivalent length by the number of pieces. Add the totals to get the total equivalent length of your system.

 

Vent

Equivalent

No. of

Total

 

Piece

Length

Pieces/

Equivalent

 

 

 

Length

Length

 

 

 

 

 

 

straight vent per lineal foot

 

 

 

 

3-1/4" x 10" (8.3 x 25.4 cm)

1 ft. (30.5 cm)

 

 

 

6" (15.2 cm) round

1 ft. (30.5 cm)

 

 

optional vent arrangement under

concrete slab

SBCCI

12" (30.5 cm)

6" (15.2 cm) round

transition

 

minimum

 

PVC sewer pipe

6" (15.2 cm)

 

 

 

 

 

 

 

concrete

round metal vent

 

wall

 

6" (15.2 cm) round

 

slab

cap

 

PVC coupling

 

 

 

 

 

 

 

6" (15.2 cm)

 

 

 

 

round sewer pipe

 

 

 

6" (15.2 cm) round

window

 

 

90° PVC sewer

 

well

 

42"

pipe elbow

 

 

 

 

 

6"

 

(106.7 cm)

Tightly pack gravel or sand

(15.2 cm)

 

max.

completely around pipe.

6" (15.2 cm) round

min.

 

 

 

PVC coupling

 

 

optional vent arrangement through

SBCCI

window well under concrete slab

 

2 ft.

6" (15.2 cm) 90° elbow

(61 cm)

 

 

4 ft. (1.2 m)

6" (15.2 cm)

 

90° elbows

 

6" (15.2 cm)

 

wall cap

 

 

6 ft. (1.8 m)

90° elbows (3)

= 15 ft. (4.6 m)

12 feet (3.7 m) straight

= 12 ft. (3.7 m)

Wall cap

=

0 ft. (0 m)

Equivalent length of

=

27ft. (8.3 m)

6" (15.2 cm) round system

 

 

Note: Flexible metal vent is Not recommended.

If it is used, calculate each foot (30 cm) of flexible vent as two feet (61 cm) of straight metal vent. Flexible metal elbows count twice as much as standard elbows.

6" (15.2 cm) flexible

2 ft. (61 cm)

elbow

 

6" (15.2 cm) round 45° elbow

2.5 ft.

 

(76.2 m)

6" (15.2 cm) round 90° elbow

5 ft.

 

(1.5 m)

3-1/4" x 10" (8.3 x 25.4 cm)

12 ft.

flat elbow

(3.7 m)

3-1/4" x 10" (8.3 x 25.4 cm)

5 ft.

90° elbow

(1.5 m)

transition to round

 

3-1/4" x 10" (8.3 x 25.4 cm) to

9 ft.

6" (15.2 cm) 90° elbow

(2.7 m)

air flow

 

3-1/4" x 10" (8.3 x 25.4 cm) to

4.5 ft.

6" (15.2 cm)

(1.4 m)

transition to flat

 

6" (15.2 cm) to 3-1/4" x 10"

5 ft.

(8.3 x 25.4 cm) 90° elbow

(1.5 m)

air flow

 

6" (15.2 cm) to

1 ft.

3-1/4" x 10" (8.3 x 25.4 cm)

(30.5 cm)

air flow

 

wall cap*

 

3-1/4" x 10" (8.3 x 25.4 cm)

0 ft.

 

(0 cm)

6" (15.2 cm) round

0 ft.

 

(0 cm)

roof cap*

 

10" x 10" (25.4 X 25.4 cm)

0 ft.

 

(0 cm)

thermal break

 

6" (15.2 cm) round

2 ft.

 

(61 cm)

Total equivalent vent system length

*Length for required wall/roof cap has already been incorporated into rating for maximum vent system length. A suitable wall/roof cap must be used.

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KitchenAid 8285364 Vent, Piece, Optional vent arrangement under Concrete slab, Optional vent arrangement through