SECTION 7: V
ENTING
17 of 51
Fi
g
ure 11: Concentric Vertical and Horizontal Vent Termination - Separated Combustion Heater
V
ent**
Air Intake*
Concentric
V
ent Box
Vertical
Option
10
'
(3 m)
Maximum
Horizontal
Option
Concentric
V
ent Box
Com
b
ustion
Air Terminal
V
ent Terminal
with Baffle Plate
Flashing
(By Others)
4" (10 cm)
Type B-1
V
ent
Storm Collar (By Others)
(Attach with 3 sheet metal screws.)
UHAS 150-250:
6" (15 cm) Diameter
Single
W
all
UHAS 300-400:
8
" (20 cm) Diameter
Single
W
all
V
ent**
6" (16 cm)
Minimum
12" (31 cm)
Maximum
6" (16 cm) Minimum
12" (31 cm) Maximum
Com
b
ustion
Air Terminal
V
ent Terminal
with Baffle Plate
4"
(10 cm)
Type
B-1
V
ent
Storm Collar (By Others)
(Attach with 3
sheet metal screws.)
Air Intake*
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
Scre
w
#6 x 3/8 Self Drilling
91119100
14
4" Vent Terminal
w
ith Baffle Plate
90502102R
1
6" Comb
u
stion 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
Scre
w
#6 x 3/8 Self Drilling
91119100
14
4" Vent Terminal
w
ith Baffle Plate
90502102R
1
8" Comb
u
stion Air Terminal
90502104
1
Model
**Vent Diameter
UHA[X]S 150 - 400
4" (10 cm)
Model
*Air Intake Diameter
UHA[X]S 150 - 250
4" (10 cm)
UHA[X]S 300 - 400
5" (13 cm)