In multiple heater applications, the combustion air intake may be ducted individually or common ducted in the same configuration as shown for venting in Section 16.0. For combustion air intake duct sizing, please refer to the Vent Sizing Table and use the diameter indicated, based on the number of heaters per duct.
Vertical |
|
Through the roof | Combustion Air Cap |
| (Leslie VersaCap |
| Type B) |
3 ft. (91cm) | 4” Diameter |
Minimum | |
Flashing |
|
| 4” Spring |
| Tension Clamp (2 each) |
Horizontal | (Part No. 30676040) |
Through Sidewall |
|
| 4” Starting Collar |
Burner Box (side view)
| 1/4” (6mm) |
|
6” (15cm) | per ft. slope downwards | 4” Flexible Air Inlet Hose |
towards vent terminal | ||
Minimum |
| 2 Ft. Long |
|
| (Part No. 30675020) |
SIDE VIEW
(straight configuration)
Combustion Air Intake
Flue vent termination must be 1 ft. (30 cm) higher than combustion air inlet cap.
Form #43343330 |
|
May 08 |
