COMBAT® UHA UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

Figure 8: Concentric Vertical and Horizontal Vent Termination - Separated Combustion Heater

4" Type B-1

Vent

UHA 150-250:

6" Dia. Single Wall

UHA 300-400:

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

B-1

 

 

 

 

 

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

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Roberts Gorden 150, 200, 350, 400, 250, 300, 225, 175 service manual Horizontal

175, 225, 300, 250, 400 specifications

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