18
Venting (Part II) continued-
TABLE 6
VENT CONNECTOR LENGTHS FOR 3” (7.6 cm) DIAMETER VENT PIPE
Terminating
# of 90
°
Elbows
(excluding vent
terminal)
Max straight
Length
ft
(m)
Min straight
Length
ft
(m)
Through the Wall
1
115
(35)
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)
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)
NOTE: When using 3” (7.6 cm) vent pipe, use a 3” (7.6 cm) to 2” (5.1 cm)
reducer 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.
CONNECTION TO 2” (5.1 CM)
VENT PIPE
CONNECTION TO 3” (7.6 CM)
VENT PIPE
Figure 6
Содержание M2TW75T*BN
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