COMBAT® UHA UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
Figure 8: Concentric Vertical and Horizontal Vent Termination - Separated Combustion Heater
4" Type
Vent
UHA
6" Dia. Single Wall
UHA
8" Dia. Single Wall
Vent Terminal with Baffle Plate
Storm Collar (By Others)
(Attach with 3 sheet metal screws.)
Concentric
Vent Box
Air Intake*
Vertical
Option 10' (3 m) Maximum
Combustion
Air Terminal
Flashing
(By Others)
|
| 6" (16 cm) |
|
|
| Minimum |
|
|
| 12" (31 cm) |
|
Vent |
| Maximum |
|
|
|
| |
Condensate Trap |
|
| |
to Drain (Optional) | 4" | Vent Terminal | |
|
| with Baffle Plate | |
Air Intake* | Horizontal | Type |
|
Option |
| ||
|
| ||
|
| Vent |
|
Concentric |
| Storm Collar (By Others) | |
Vent Box | Combustion | ||
(Attach with 3 | |||
| |||
| Air Terminal | sheet metal screws.) |
Description | Part Number | Qty. |
Concentric Vent Kit (150 - 250) | 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" Vent Terminal with Baffle Plate | 90502102R | 1 |
6" Combustion Air Terminal | 90502103 | 1 |
Description | Part Number | Qty. |
Concentric Vent Kit (300 - 400) | UHVK2 |
|
Concentric Vent Box Top & Side Assembly | 90504013 | 1 |
Concentric Vent Box Bottom Assembly | 90504012 | 1 |
Screw #6 x 3/8 Self Drilling | 91119100 | 14 |
4" Vent Terminal with Baffle Plate | 90502102R | 1 |
8" Combustion Air Terminal | 90502104 | 1 |
Model | Vent Diameter |
UHAS 150 - 400 | 4" (10 cm) |
Model | *Air Intake Diameter |
UHAS 150 - 250 | 4" (10 cm) |
UHAS 300 - 400 | 5" (13 cm) |
12
