SECTION 7: VENTING

Figure 11: Concentric Vertical and Horizontal Vent Termination - Separated Combustion Heater

4" (10 cm)

Vent Terminal

 

 

with Baffle Plate

 

 

Type B-1Vent

 

 

 

 

UHAS 150-250:

6" (16 cm) Minimum

 

6" (15 cm) Diameter

 

Single Wall

12" (31 cm) Maximum

 

UHAS 300-400:

 

 

 

 

8" (20 cm) Diameter

Storm Collar (By Others)

 

Single Wall

 

(Attach with 3 sheet metal screws.)

 

 

 

 

Combustion

 

 

 

Air Terminal

 

 

 

Flashing

 

 

Concentric

(By Others)

 

 

 

 

 

 

Vent Box

 

 

 

 

 

 

 

6" (16 cm)

Air Intake*

 

 

Minimum

Vertical

 

 

12" (31 cm)

Vent**

 

Maximum

Option

 

 

 

 

 

 

 

10' (3 m)

 

 

4"

Vent Terminal

Maximum

 

 

 

 

(10 cm)

 

 

 

with Baffle Plate

 

Air Intake*

Horizontal

Type

 

 

Option

B-1

 

 

 

 

 

 

 

Vent

 

 

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

Model

**Vent Diameter

4" Vent Terminal with Baffle Plate

90502102R

1

UHA[X]S 150 - 400

4" (10 cm)

6" Combustion Air Terminal

90502103

1

Model

*Air Intake Diameter

 

 

 

Description

Part Number

Qty.

UHA[X]S 150 - 250

4" (10 cm)

UHA[X]S 300 - 400

5" (13 cm)

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

 

 

 

 

 

 

17 of 51

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

175, 225, 300, 250, 400 specifications

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