8.11.4 Vertical Outside Air Supply for Double Heater Installation
SIDE VIEW
| Vent Cap |
| Roof |
For 80 and 115 models, 6" (15 cm) Single Wall Pipe. |
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For 150 or 200 models, 7" (18 cm) Single Wall Pipe. | Sweeping 'T' |
Flex Hose | Connection |
(Recommended) |
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Burner | Burner |
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| Flex Hose |
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| Band Clamp | For 80 and 115 models, 4" | ||
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| (Recommended) | (10 cm) Single Wall Pipe. | |||
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| For 150 or 200 models, 5" |
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| (13 cm) Single Wall Pipe. |
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Description | Part Number |
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Vent Cap 6" (15 cm) | 90502302 |
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Requirements:
• Heaters must be controlled by a common thermostat.
8.11.5 Horizontal Outside Air Supply for Double Heater Installation
TOP VIEW
Vent Cap
4" | Wall | |
(10 cm) | Outside | |
Min. | ||
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Description | Part Number |
Vent Cap 6" (15 cm) | 90502302 |
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For 80 or 115 models, 6" (15 cm) Single Wall Pipe. For 150 and 200 models, 7" (18 cm) Single Wall Pipe.
Flex Hose
(Recommended)
Burner |
Sweeping 'Y'
Connection
For 80 or 115 models, 4" (10 cm) 
Single Wall Pipe. For 150 and 200
models, 5" (13 cm) Single Wall Pipe.
Burner |
Band Clamp (Recommended)
Requirements:
• Heaters must be controlled by a common thermostat.
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