Form 43343530
-40-
Aug 2012
In multiple heater applications
multiple heater applications
multiple heater applications
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
Vent Sizing Table
Vent Sizing Table
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
1/2 (12mm) fall per 20ft (6m)
toward 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
