Install Instructions

16
Venting continued-
TABLE 1 – VENT CONNECTOR LENGTHS
FOR 2” (5.1 cm) DIAMETER VENT PIPE
Terminating
# of 90° Elbows
(excl. vent term)
Maximum straight
Length ft (m)
Min. straight
Length ft (m)
Through the Wall
1
45 (13.7)
2 (.6)
Through the Wall
2
40 (12.2)
2 (.6)
Through the Wall
3
35 (10.7)
2 (.6)
Through the Wall
4
30 (9.1)
2 (.6)
Through the Roof
0
50 (15.2)
7 (2.1)
Through the Roof
1
45 (13.7)
7 (2.1)
Through the Roof
2
40 (12.2)
7 (2.1)
Through the Roof
3
35 (10.7)
7 (2.1)
Through the Roof
4
30 (9.1)
7 (2.1)
TABLE 2 -VENT CONNECTOR LENGTHS
FOR 3” (7.6 cm) DIAMETER VENT PIPE
Terminating
# of 90° Elbows
(excl. vent term)
Maximum straight
Length ft (m)
Min. straight
Length ft (m)
Through the Wall
1
115 (35.0)
10 (3.1)
Through the Wall
2
110 (33.5)
10 (3.1)
Through the Wall
3
105 (32.0)
10 (3.1)
Through the Wall
4
100 (30.5)
10 (3.1)
Through the Wall
5
95 (29.0)
10 (3.1)
Through the Roof
0
120 (36.6)
15 (4.6)
Through the Roof
1
115 (35.0)
15 (4.6)
Through the Roof
2
110 (33.5)
15 (4.6)
Through the Roof
3
105 (32.0)
15 (4.6)
Through the Roof
4
100 (30.5)
15 (4.6)
TABLE 3 -VENT CONNECTOR LENGTHS
FOR 4” (10.2 cm) DIAMETER VENT PIPE
Terminating
# of 90° Elbows
(excl. vent term)
Maximum straight
Length ft (m)
Min. straight
Length ft (m)
Through the Wall
1
175 (53.3)
10 (3.1)
Through the Wall
2
170 (51.8)
10 (3.1)
Through the Wall
3
165 (50.3)
10 (3.1)
Through the Wall
4
160 (48.8)
10 (3.1)
Through the Wall
5
155 (47.2)
10 (3.1)
Through the Roof
0
180 (54.9)
15 (4.6)
Through the Roof
1
175 (53.3)
15 (4.6)
Through the Roof
2
170 (51.8)
15 (4.6)
Through the Roof
3
165 (50.3)
15 (4.6)
Through the Roof
4
160 (48.8)
15 (4.6)
NOTE: When using 3” (7.6 cm) or 4” (10.2 cm) vent pipe, use a reducer to 2” (5.1 cm)
and exit the building wall with 2” (5.1 cm) vent pipe using the 2” (5.1 cm) 45 vent
terminal supplied. Two 45 elbows are equivalent to one 90 elbow. Each 90° elbow is
equivalent to 5 feet (1.5 m) of straight vent pipe.