Installation Manuel

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Majestic Sovereign Series • SA36/SA42C • Installers Manual • 4010-262 • Rev E • 07/19/16

B. Offsets/Returns

• Use an offset/return to bypass overhead obstructions.

• An offset and return can be used as a single entity or separated by chimney section(s).

WARNING! Risk of Fire! DO NOT use offset/returns greater than 30°. Chimney draft will be restricted and could cause

overheatingandre.Secureoffsetswithscrews(nottoexceed1/2”/13mminlength)Securereturnswithstrapping.

Straight chimney sections may be secured with screws. Keep chimney sections from separating or twisting.

• Measure the shift needed to avoid the overhead obstruction. Refer to dimension A in Figure 4.2.

• Find the appropriate A dimension listed in Table 4.3. The B dimension coinciding with the A dimension measurement in

Table 4.3 represents the required vertical clearance needed to complete the offset/return.

• Read across the chart to nd the number of chimney sections/model numbers needed between the offset and return.

1-1/4 in. (32 mm)

OVERLAP

Figure 4.2 Chimney Offset/Return

Table 4.3 Offset Dimensions

Example:

Your “A” dimension from Figure 8.3 is 14 1/2 in. (368

mm). Using Table 8.2 the dimension closest to, but not

less than 14 1/2 in. (368 mm) is 14 1/2 in. (368 mm) us-

ing a 30° offset/return.

You determine from the table that you need 34 1/8 in.

(867 mm) (Dimension “B”) between the offset and re-

turn.

The chimney component that best ts your application is

one SL324.

15-degree 30-degree

SL306 SL312 SL318 SL324 SL336 SL348

A B A B

in. mm in. mm in. mm in. mm

1 5/8 41 13 3/8 340 3 5/8 92 15 1/2 394 - - - - - -

2 7/8 73 17 3/4 451 5 1/2 140 18 5/8 473 1 - - - - -

4 1/8 102 22 3/8 568 7 1/4 184 21 3/4 552 2 - - - - -

4 1/2 114 23 5/8 600 8 1/2 216 23 3/4 603 - 1 - - - -

5 3/4 146 28 1/4 718 10 1/4 260 27 686 1 1 - - - -

6 152 29 3/8 746 11 1/2 292 29 737 - - 1 - - -

7 1/4 184 34 864 13 1/4 337 32 1/8 816 - 2 - - - -

7 3/4 197 36 1/8 918 14 1/2 368 34 1/8 867 - - - 1 - -

8 3/4 222 39 3/4 1010 16 1/4 413 37 3/8 949 1 - - 1 - -

10 3/8 264 45 5/8 1159 19 1/4 489 42 1/2 1080 - - 2 - - -

10 5/8 270 46 3/4 1187 20 1/2 521 44 5/8 1133 - - - - 1 -

11 7/8 302 51 3/8 1305 22 1/4 565 47 3/4 1213 1 - - - 1 -

13 1/2 243 57 1/4 1454 25 1/4 641 52 7/8 1343 - - - 2 - -

13 3/4 349 58 3/8 1483 26 1/2 673 55 1397 - - - - - 1

15 381 63 1600 28 1/4 718 58 1/8 1476 1 - - - - 1

16 1/2 419 68 3/4 1746 31 1/4 794 63 1/4 1607 - 1 - - - 1

18 457 74 5/8 1895 34 1/4 870 68 1/2 1740 - - 1 - - 1

19 5/8 498 80 3/8 2042 37 1/4 946 73 3/4 1873 - - - 1 - 1

20 5/8 524 84 1/8 2137 39 1/8 994 76 7/8 1953 1 - - 1 - 1

22 3/4 578 91 7/8 2334 43 1/4 1099 84 1/8 2137 - - - - 1 1

24 610 96 1/2 2451 45 1/8 1146 87 1/4 2216 1 - - - 1 1

25 7/8 657 103 1/2 2629 49 1/4 1251 94 1/2 2400 - - - - - 2

Proper assembly of air-cooled chimney parts result in an overlap at chimney joints of 1-1/4 in. (32 mm). Effective

length is built into this chart.