Monessen Hearth BWBC400MHB Chiimney Installation, Offset Installation Sequence, Chimney Sections

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

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