
SECTION 7: OPTIONAL HEATER ACCESSORIES
FIGURE 20: U-Tube  Layout Overview (Continued)
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| g | d | e | e | 
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| h | 
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 | 60' (18.3 m) Tube Length | 
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| g | d | e | e | f | 
| h | 
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 | 70' (21.3 m) Tube Length** | 
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| g | d | e | e | e | 
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 | 80' (24.4 m) Tube Length | 
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7.2Elbow Package Configuration Step 7.2.1 Elbow Installation
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 | Tube | 
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 | Minimum Distance Required | ||
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 | Coupling | 
 | Between Burner and Elbow | ||
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 | Model | Minimum | |
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 | Distance | ||
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 | 10' (3 m) | ||
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 | 10' (3 m) | ||
| Description | Part Number | 90° Elbow | 10' (3 m) | ||
| 15' (4.5 m) | |||||
| Elbow Package | 02718702 | 
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 | 15' (4.5 m) | ||||
| 90° Elbow | 01335801 | 
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 | 15' (4.5 m) | ||||
| Coupling | 01312700 | 
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 | 15' (4.5 m) | ||||
| Reflector End Cap | 02750800 | 
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 | 15' (4.5 m) | ||||
| Reflector Joint Piece | 02750900 | 
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 | 15' (4.5 m) | ||||
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 | 91107720 | 
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 | 15' (4.5 m) | ||||
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 | 27 | |