SECTION 3: CLEARANCES TO COMBUSTIBLES
NOTE: 1. All dimensions are from the surfaces of all tubes, couplings and elbows.
2.Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the burner and burner tube connect.
FIGURE 3: Standard Reflector
Model
(inches)
A B C D
6 27 52 27
6 35 62 35
6 38 65 38
6 40 70 40
6 46 76 46
6 50 79 50
8 52 82 52
(centimeters)
A B C D
16 69 133 69
16 89 158 89
16 97 166 97
16 102 178 102
16 117 194 117
16 127 201 127
21 133 209 133
FIGURE 4: One Side Reflector
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| Model | A | B | C | D | A | B | C | D |
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| A | 6 | 9 | 52 | 44 | 16 | 23 | 133 | 112 | |||
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| 6 | 9 | 62 | 47 | 16 | 23 | 158 | 120 | |
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| 6 | 9 | 69 | 54 | 16 | 23 | 176 | 138 | |
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| D |
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| 6 | 9 | 76 | 59 | 16 | 23 | 194 | 150 | ||||||
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| 6 | 9 | 82 | 65 | 16 | 23 | 209 | 166 | |
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| 6 | 9 | 85 | 69 | 16 | 23 | 216 | 176 | |
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| 8 | 9 | 88 | 73 | 21 | 23 | 224 | 186 | |
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FIGURE 5: Two Side Reflectors |
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| Model | A | B | C | D | A | B | C | D |
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| A | 6 | 15 | 52 | 15 | 16 | 39 | 133 | 39 | |||
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| 6 | 23 | 65 | 23 | 16 | 59 | 166 | 59 | |
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| 6 | 25 | 71 | 25 | 16 | 64 | 181 | 64 | |
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| 6 | 27 | 77 | 27 | 16 | 69 | 196 | 69 | |||||||||
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| 6 | 32 | 83 | 32 | 16 | 82 | 211 | 82 | |
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| 6 | 35 | 87 | 35 | 16 | 89 | 221 | 89 | |
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| 8 | 40 | 91 | 40 | 21 | 102 | 232 | 102 | |
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5