UHA LOW PROFILE UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
Figure 14: Concentric Vertical and Horizontal Vent Termination - Separated Combustion Heater
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| Vent Terminal | NOTE: Vent supports not | |
4" (10 cm) |
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| shown. | |
| with Baffle Plate |
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Type |
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Vent | Storm Collar (By Others) |
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6" (16 cm) | (Attach with 3 sheet metal screws.) |
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Diameter |
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Single Wall |
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| Combustion |
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| Air Terminal |
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| Flashing |
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| (By Others) |
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Concentric |
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Vent Box |
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4" (10 cm) Diameter |
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| 6" (16 cm) |
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| Minimum |
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Air Intake |
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4" (10 cm) |
| 12" (31 cm) |
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Vertical |
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Diameter |
| Maximum |
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Option | Vent |
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10' (3 m) |
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| 4"(10 | Vent Terminal |
Maximum |
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| cm) | ||
| 4" (10 cm) |
| with Baffle Plate | |
| Horizontal | Type |
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| Diameter |
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| Option |
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| Vent |
| Vent |
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| 4" (10 cm) | Concentric |
| Diameter | |
| Vent Box | |
| Vent | |
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Description | Part Number | Qty. |
Concentric Vent Kit | UHVK1 |
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Concentric Vent Box Top & Side Assembly | 90504113 | 1 |
Concentric Vent Box Bottom Assembly | 90504112 | 1 |
Screw #6 x 3/8 Self Drilling | 91119100 | 14 |
4" (10 cm) Vent Terminal with Baffle Plate | 90502102R | 1 |
6" (16 cm) Combustion Air Terminal | 90502103 | 1 |
Combustion | Storm Collar (By Others) |
(Attach with 3 | |
Air Terminal | sheet metal screws.) |
20