| Downflow *RL Furnace |
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| Combustion |
| 3/4" |
| Exhaust Vent | C ‡ |
| Vent | |
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| (3" for 80/100 | ||||
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| Combustion Air Inlet | 2" Dia. |
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| 2" for 40/60) | |||
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| 24 1/2" |
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| A‡ |
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| 3/4" | Exhaust Vent |
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| 19 3/4" |
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| 22 1/2" | 3/4" |
| B ‡ | 3/4" | |
Figure 2. |
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| 2 1/2" |
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| C |
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Downflow |
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| L |
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| 24 7/8" |
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| 24 7/8" | |
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Unit |
| 7/8" Dia. Electric |
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| 7/8" Dia. Electric |
43" | Connection |
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| Connection | |
Dimensions |
| 21 7/8" |
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| 21 7/8" |
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| 21 1/2" |
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| 21 1/2" | 1 1/2" x 2 1/2" | |
| 1 1/2" x 3 1/2" Dia. |
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| Knockout For | |||
| Opening for |
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| Gas Connection | |
| Gas Connection |
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| 21 1/4" | 15 1/2" |
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| 8" |
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| 10 1/4" |
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| 1" |
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| Condensate |
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| D |
| 19 3/4" |
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| Drain Outlet |
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| Bottom Supply |
| Bottom Opening |
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| 27 7/8" |
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| Air Opening | Condensate |
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| 3/4" | ||
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| ‡ |
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| Drain Outlet | |
5 |
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| See Table 3 |
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