CHIIMNEY INSTALLATION

OFFSET INSTALLATION SEQUENCE

Determine the location and amount of offset required. Select the combinations of chimney sections and elbows required from the Chimney Height and Offset Charts.

CHIMNEY HEIGHT CHART (FROM TOP OF UNIT OR FINISHED HEARTH)

Continued

Height

Intermediate Sections

(Inches)

 

 

 

 

12"

18"

36"

48"

 

 

 

 

 

 

35

0

0

1

0

39

2

1

0

0

47

0

0

0

1

 

 

 

 

 

52

0

1

0

0

58

1

0

0

1

64

0

1

1

1

 

 

 

 

 

70

0

0

2

0

75

1

1

0

1

82

0

0

1

1

87

0

1

2

0

94

0

0

0

2

99

0

1

1

1

 

 

 

 

 

105

0

0

3

0

111

0

1

0

2

117

0

0

2

1

122

0

1

3

0

129

0

0

1

2

134

0

1

2

1

 

 

 

 

 

141

0

0

0

3

146

0

1

1

2

152

0

0

3

1

158

0

1

0

3

164

0

0

2

2

169

0

1

3

1

 

 

 

 

 

176

0

0

1

3

181

0

1

2

2

188

0

0

0

4

 

 

 

 

 

193

0

1

1

3

199

0

0

3

2

205

0

1

0

4

211

0

0

2

3

216

0

1

3

2

223

0

0

1

4

 

 

 

 

 

228

0

1

2

3

235

0

0

0

5

240

0

1

1

4

246

0

0

3

3

252

0

1

0

5

258

0

0

2

4

 

 

 

 

 

263

0

1

3

3

270

0

0

1

5

275

0

1

2

4

 

 

 

 

 

282

0

0

0

6

287

0

1

1

5

293

0

0

3

4

293

1

0

0

6

305

0

0

2

5

310

0

1

3

4

 

 

 

 

 

317

0

0

1

6

322

0

1

2

5

329

0

0

0

7

 

Height

 

Intermediate Sections

 

 

Height

Intermediate Sections

 

(Inches)

 

 

 

 

 

 

 

 

 

 

(Inches)

 

 

 

 

 

 

12"

18"

 

36"

 

48"

 

 

12"

18"

36"

48"

 

 

 

 

 

 

 

 

 

 

 

 

 

334

 

 

0

1

 

1

 

 

6

 

 

352

 

0

0

2

6

 

340

 

 

0

0

 

3

 

 

5

 

 

357

 

0

1

3

5

 

346

 

 

0

1

 

0

 

 

7

 

 

364

 

0

0

1

7

 

 

 

 

 

 

 

 

 

 

 

 

 

369

 

0

1

2

6

CHIMNEY SECTIONS

 

 

 

376

 

0

0

0

8

 

 

 

 

 

 

 

 

 

 

 

WITH ELBOW OFFSETS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STRAIGHT RUN

 

 

Elbow

 

Chimney Sections

 

Total

 

Total

 

 

 

Set

 

 

 

 

 

 

 

 

Inches

Inches

 

CHIMNEYS

 

 

 

 

12"

18"

36"

48"

 

 

 

 

 

 

 

OffSet

 

Rise

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Chimney support is required at

1

 

0

 

0

0

0

 

41/2

17

 

1

 

1

 

0

0

0

 

10

261/2

 

25' chimney height.

 

1

 

0

 

1

0

0

 

13

313/4

 

 

1

 

2

 

0

0

0

 

151/2

36

 

 

 

 

 

 

1

 

1

 

1

0

0

 

151/2

411/4

 

CHIMNEYS WITH

 

1

 

0

 

0

1

0

 

22

471/4

 

ELBOW OFFSETS

 

1

 

2

 

1

0

0

 

24

503/4

 

 

 

 

 

 

 

 

 

 

 

1

 

0

 

0

0

1

 

28

573/4

 

The length of the inclined por-

1

 

20

 

1

1

0

 

301/2

62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tion of the chimney between

1

 

1

 

0

0

1

 

331/2

673/4

 

 

 

 

 

elbows must not exceed 6' when

1

 

0

 

1

0

1

 

361/2

721/2

 

1

 

0

 

0

2

0

 

391/2

771/2

 

unsupported.

 

 

1

 

1

 

1

0

1

 

42

82

 

The length of the inclined por-

1

 

0

 

0

1

1

 

451/2

88

 

1

 

0

 

1

2

0

 

48

921/4

 

tion of the chimney between

1

 

0

 

0

0

2

 

511/2

981/2

 

elbows must not exceed 20' if

1

 

0

 

1

1

1

 

54

1023/4

 

the chimney is supported at 6'

1

 

0

 

0

3

0

 

57

1073/4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

intervals using either metal sup-

1

 

0

 

1

0

2

 

60

1131/4

 

 

 

 

 

port straps or an SCS chimney

1

 

0

 

0

2

1

 

63

1181/4

 

1

 

0

 

1

3

0

 

651/2

1221/2

 

support.

 

 

 

1

 

0

 

0

1

2

 

69

1283/4

 

The SCS chimney support when

1

 

0

 

1

2

1

 

711/2

133

 

1

 

0

 

0

0

3

 

75

1391/4

 

installed at a 30° angle will add

1

 

0

 

1

1

2

 

771/2

1431/2

 

8' of rise and 45/8" of offset to the

1

 

0

 

0

3

1

 

801/2

1431/2

 

chimney height calculations.

1

 

0

 

1

0

3

 

831/2

154

 

1

 

0

 

0

2

2

 

861/2

159

 

 

 

 

 

 

1

 

0

 

1

3

1

 

89

1631/4

 

 

 

 

 

 

1

 

0

 

0

1

3

 

921/2

1691/2

 

 

 

 

 

 

1

 

0

 

1

2

2

 

95

1733/4

 

 

 

 

 

 

1

 

0

 

0

0

4

 

981/2

180

 

 

 

 

 

 

1

 

0

 

1

1

3

 

101

1841/4

 

 

 

 

 

 

1

 

0

 

0

3

2

 

104

1891/4

 

 

 

 

 

 

1

 

0

 

1

0

4

 

107

1943/4

 

 

 

 

 

 

1

 

0

 

0

2

3

 

110

1993/4

 

 

 

 

 

 

1

 

0

 

1

3

2

 

1121/2

204

 

 

 

 

 

 

1

 

0

 

0

1

4

 

116

2101/4

 

 

 

 

 

 

1

 

0

 

1

2

3

 

1181/2

2141/2

 

 

 

 

 

 

1

 

0

 

0

0

5

 

122

2203/4

 

 

 

 

 

 

18

61D0087

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Monessen Hearth BWBC400MHB, BWBC500MHB manual Chiimney Installation

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