C. Using Offsets/Returns

To bypass any overhead obstructions, the chimney may be offset using an offset/return.

An offset and return may be attached together or a chimney section(s) may be used between an offset and return.

Perform the following steps to determine the correct chim- ney component combination for your particular installation:

WARNING

Fire Risk

•Draft will be restricted if offsets/returns greater than 30° are used.

Table 5.2

•Measure how far the chimney needs to be shifted to enable it to avoid the overhead obstacle. See Figure 5.1. Use dimension “A” to determine chimney section required to achieve the needed shift.

•After determining the offset dimension, refer to Table 5.2 and find the “A” dimension closest to but not less than the distance of shift needed for your installation.

•The “B” dimension that coincides with the “A” dimension represents the required vertical clearance that is needed to complete the offset and return.

•Read across the chart and find the number of chimney sections required and the model number of those particular chimney parts.

•Whenever the chimney penetrates a floor/ceiling, a ceiling firestop must be installed.

•The effective height of the fireplace assembly is measured from the base of the fireplace to the top of the starter collar. See Dimensions in Section 12.

 

A

 

B

SL1106

SL1112

SL1118

SL1136

SL1148

in.

 

mm

in.

 

mm

SL406

SL412

SL418

SL436

SL448

4 7/8

 

124

17 7/8

 

454

-

-

-

-

-

7 1/4

 

184

2 2

 

559

1

-

-

-

-

9 3/4

 

248

26 1/8

 

664

2

-

-

-

-

10 1/4

 

260

27 1/4

 

692

-

1

-

-

-

 

 

 

 

 

 

 

 

 

 

 

12 3/4

 

324

31 3/8

 

797

1

1

-

-

-

13 1/4

 

337

32 3/8

 

822

-

-

1

-

-

 

 

 

 

 

 

 

 

 

 

 

15 3/4

 

400

36 5/8

 

930

-

2

-

-

-

18 1/8

 

460

40 3/4

 

1035

1

2

-

-

-

18 3/4

 

476

41 3/4

 

1060

-

1

1

-

-

21 3/4

 

552

47

 

1194

-

-

2

-

-

22 1/4

 

565

48

 

1219

-

-

-

1

-

 

 

 

 

 

 

 

 

 

 

 

24 3/4

 

629

52 1/8

 

1324

1

-

-

1

-

27 3/4

 

705

57 3/8

 

1457

-

1

-

1

-

 

 

 

 

 

 

 

 

 

 

 

28 1/4

 

718

58 3/8

 

1483

-

-

-

-

1

30 3/4

 

781

62 1/2

 

1588

1

-

-

-

1

 

 

 

 

 

 

 

 

 

 

 

33 3/4

 

857

67 3/4

 

1721

-

1

-

-

1

36 3/4

 

933

73

 

1854

-

-

1

-

1

39 3/4

 

1010

78 1/8

 

1984

-

-

-

2

-

 

 

 

 

 

 

 

 

 

 

 

41 1/8

 

1045

82 3/8

 

2092

1

-

-

2

-

45 3/4

 

1162

88 1/2

 

2248

-

-

-

1

1

 

 

 

 

 

 

 

 

 

 

 

48 1/8

 

1222

92 3/4

 

2356

1

-

-

1

1

51 3/4

 

1314

98 7/8

 

2511

-

-

-

-

2

Proper assembly of air cooled chimney parts results in an overlap of chimney joints of 1-1/4 in. (32 mm). Effective length is built into this table.

A

B

1-1/4 in. (32 mm)

OVERLAP

Figure 5.2

Example: Your “A” dimension from Figure 5.2 is 14 1/2 in. (368 mm). Using Table 5.2 the dimension closest to, but not less than 14 1/2 in. (368 mm) is 15 3/4 in. (400  mm) using a 30° offset/return. It is then determined from the table that you would need 36 5/8 in. (930 mm) (Dimension “B”) between the offset and return. The chimney components that best fit your application are two SL1112s or SL412s.

16

Outdoor Lifestyles by Hearth & Home Technologies Inc. • 4070-300 Rev C • 4/11

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Hearth and Home Technologies CASTLEWOOD 42 owner manual Using Offsets/Returns
Page 15 Page 17

CASTLEWOOD 42 specifications

Hearth and Home Technologies has consistently been at the forefront of innovative fireplace solutions, and the CASTLEWOOD 42 is no exception. This exquisite linear gas fireplace is a perfect blend of modern design and advanced technology, making it a sought-after choice for homeowners looking to elevate their living spaces.

One of the standout features of the CASTLEWOOD 42 is its impressive 42-inch width, which allows it to serve as a stunning focal point in both contemporary and traditional interiors. The fireplace is designed with a sleek, clean appearance, featuring large viewing glass and a minimalist frame that creates an unobstructed view of the mesmerizing flames. With its flush-mount design, the CASTLEWOOD 42 can be easily incorporated into a variety of wall configurations, making it versatile enough for any room.

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Remote control capability is another notable feature of the CASTLEWOOD 42, allowing users to effortlessly adjust the flame height and heat output from the comfort of their couch. Add-on options such as wall-mounted control panels or smartphone integration elevate convenience, ensuring that comfort is just a click away.

The CASTLEWOOD 42 not only excels in aesthetics and functionality but also adheres to high safety standards. With features like tempered glass and a secure venting system, it ensures peace of mind for families. Overall, the Hearth and Home Technologies CASTLEWOOD 42 stands as a testament to quality craftsmanship and innovative design, making it a brilliant addition to any home. Its combination of style, efficiency, and technology proves that fireplaces can be both functional and beautiful.
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