Roberts Gorden UHA[X][S] 125 사용자 설명서

19

Vent

Termination

Listed Thimble

through

Combustible Wall

4" (10 cm) 

Diameter Vent

12" (31 cm)

Minimum from wall

to vent termination.

4" (10 cm) 
Diameter

Air Intake

12" (31 cm)

Minimum from air inlet to vent

termination (may be horizontal

or vertical clearance).

Air Intake

Termination

4" 
(10 cm) 
Diameter Vent

4" (10 cm) Diameter

Air Intake

12" (31 cm)

Minimum from air inlet to vent

termination (may be horizontal

or vertical clearance).

12" (31 cm)

Minimum from wall

to vent termination.

NOTE: Vent supports not
 shown.

 UHA[X]S  30 - 125

4" (10 cm)

90502102

4" (10 cm) Single
Wall Vent Pipe
(By Others)

Seal joint between single wall
and Type B vent with silicone sealant.

Use 3 sheetmetal 
screws equally
spaced around joint.

Use 3 sheetmetal 
screws equally
spaced around collar.

Concentric
Vent Box

6" (15 cm) Single
Wall Inlet Air Pipe
(By Others)

One piece of 4" (1

0 cm) diamet

er, 1/4" (6 cm) air

space t

ype

 “B” v

ent. Selkir

k Model R

V or e

quivalent.

 (By other

s)

Combustion Air 
to Heater

Toward
Outside

Exhaust 
from Heater