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Form #43343330
May 08 –39–
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.
Flue vent termination
must be 1 ft. (30 cm)
higher than combustion
air inlet cap.
Combustion
Air Intake
SIDE VIEW
(straight configuration)
Combustion Air Cap
(Leslie VersaCap
Type B)
4 Diameter
Single-Wall Pipe
Flashing
1/4 (6mm)
per ft. slope downwards
towards vent terminal
Horizontal
Through Sidewall
6 (15cm)
Minimum
4 Starting Collar
Burner Box
(side view)
3 ft. (91cm)
Minimum
4 Flexible Air Inlet Hose
2 Ft. Long
(Part No. 30675020)
4 Spring
Tension Clamp (2 each)
(Part No. 30676040)
Vertical
Through the roof