Desa CWB36C, (V)B36LI, (V)B36I Continued, OFFSET CHART 22-50FT. SYSTEM HEIGHT, Elbow Offset

Venting Installation

Continued

See Detail A

Ceiling Support

Pipe 12S-8DM

2" Min.

See Detail B

Straps

Straps

Straps

Straps

Detail A

Detail B

Return Elbow

Angle

Firestop

Figure 10 - Ceiling Support Pipe 12S-8DM

OFFSET

RISE

CHIMNEY LENGTH

A

B

48"

36"

24"

18"

12"

4 3/8"

16 3/8"

ELBOW SET ONLY

9 3/4"

25 1/2"

1

12 3/4"

30 3/4"

1

15"

34 3/4"

1

18"

40"

1

1

21 1/4"

46 1/4"

1

23 3/4"

49 1/4"

1

1

27 3/4"

56 3/4"

1

30"

60 3/4"

1

1

Screws

33"

66"

1

1

B

36"

71"

1

1

38 1/4"

75"

2

41 1/4"

80 1/4"

1

1

1

45"

86 3/4"

2

46 3/4"

89 1/2"

1

1

1

51"

97"

1

1

53 1/4"

101"

2

1

56 1/4"

106 1/4"

2

A

59 1/4"

111 1/2"

1

1

1

61 3/4"

115 1/2"

2

1

64 3/4"

120 3/4"

2

1

68 1/4"

127"

1

2

70"

130"

2

1

1

74 1/4"

137 1/2"

1

2

1

76 3/4"

141 1/2"

1

2

1

79 3/4"

146 3/4"

4

OFFSET CHART (22-50 FT. SYSTEM HEIGHT)

Figure 11 - Elbow Offset

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