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UHA LOW PROFILE UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
20
Figure 14: Concentric Vertical and Horizontal Vent Termination - Separated Combustion Heater
6" (16 cm)
Diameter
Single Wall
4" (10 cm) Diameter
Air Intake
Concentric
Vent Box
Vertical
Option
10' (3 m)
Maximum
Horizontal
Option
Concentric
Vent Box
Combustion
Air Terminal
Vent Terminal
with Baffle Plate
Flashing
(By Others)
4" (10 cm)
Type B-1
Vent
6" (16 cm)
Minimum
12" (31 cm)
Maximum
Storm Collar (By Others)
(Attach with 3 sheet metal screws.)
Combustion
Air Terminal
Vent Terminal
with Baffle Plate
4"(10
cm)
Type
B-1
Vent
Storm Collar (By Others)
(Attach with 3
sheet metal screws.)
4" (10 cm)
Diameter
Vent
4" (10 cm)
Diameter
Vent
4" (10 cm)
Diameter
Vent
NOTE: Vent supports not
shown.
Description Part Number Qty.
Concentric Vent Kit UHVK1
Concentric Vent Box Top & Side Assembly 90504113 1
Concentric Vent Box Bottom Assembly 90504112 1
Screw #6 x 3/8 Self Drilling 91119100 14
4" (10 cm) Vent Terminal with Baffle Plate 90502102R 1
6" (16 cm) Combustion Air Terminal 90502103 1