
8.11.4 Vertical Outside Air Supply for Double Heater Installation
| Vent Cap | 
| Roof | 
| 6" (15 cm) Single Wall Pipe | Sweeping 'T' | 
| Flex Hose | Connection | 
| (Recommended) | 
 | 
| Burner | Burner | 
| Band Clamp | 4" (10 cm) | 
 | Flex Hose | |
| Single Wall Pipe | (Recommended) | |||
| (Recommended) | ||||
| 
 | 
 | 
 | ||
| Description | Part Number | 
| Vent Cap 6" (15 cm) | 90502302 | 
| 
 | 
 | 
Requirements:
• Heaters must be controlled by a common thermostat.
8.11.5 Horizontal Outside Air Supply for Double Heater Installation
| Vent Cap | Wall | 
| 
 | Outside | 
| Description | Part Number | 
| Vent Cap 6" (15 cm) | 90502302 | 
| 
 | 
 | 
6" (15 cm) Single Wall Pipe
Flex Hose
(Recommended)
| Burner | 
| Sweeping 'Y' | 
| Connection | 
| 4" (10 cm) Single Wall Pipe | 
| (Seal All Joints) | 
| Burner | 
| Band Clamp | 
| (Recommended) | 
Requirements:
• Heaters must be controlled by a common thermostat.
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