A.O. Smith 1500 Manual Do Utilizador
2
ROUGH-IN DIMENSIONS
Figure 1.
IMPORTANT!
Refer to "Installation Clearances" section of manual
(page 7) for recommended service clearances prior
to boiler placement.
(page 7) for recommended service clearances prior
to boiler placement.
TOP VIEW
LEFT SIDE
TABLE 2. ROUGH - IN DIMENSIONS
A
B
C
D
E
F
Model
Inches
c m
Inches
c m
Inches
c m
Inches
c m
Inches
c m
Inches
c m
GW/GB-1000
14.1
35.8
12.2
31.0
40.3
102.4
31.6
80.3
26.0
66.0
46.8
118.9
GW/GB-1300
24.8
63.0
12.2
31.0
40.3
102.4
31.6
80.3
39.3
99.8
57.3
145.5
GW/GB-1500
30.2
76.7
12.2
31.0
40.3
102.4
31.6
80.3
44.6
113.3
64.3
163.3
GW/GB-1850
27.7
70.4
11.2
28.4
43.0
109.2
32.3
82.0
44.0
111.8
78.3
198.9
GW/GB-2100
31.0
78.7
11.2
28.4
43.0
109.2
32.3
82.0
49.5
125.7
85.3
216.7
GW/GB-2500
38.1
96.8
10.5
26.7
43.0
109.2
32.3
82.0
56.5
143.5
99.3
252.2
Input
Exhaust
Inlet
TABLE 1: GAS AND ELECTRICAL CHARACTERISTICS
Manifold Pressure Electrical Characteristics
Model
Type of Gas Inches W.C. kPa
Volts/Hz Amperes
GW/GB-1000
thru 2500
NATURAL
3.5
0.87
120/60
30
GW/GB-1000
thru 2500
PROPANE
10
2.49
120/60
30
All Models - Maximum Supply Pressure: 14.0 In. W.C. (3.49 kPa)
Minimum Supply Pressure Natural Gas: 6.0 In. W.C. (1.22 kPa)
Minimum Supply Pressure Propane Gas: 11.0 In. W.C. (2.74 kPa)
Minimum Pressures must be maintained under both load and no load
(static and dynamic) conditions.
Minimum Supply Pressure Natural Gas: 6.0 In. W.C. (1.22 kPa)
Minimum Supply Pressure Propane Gas: 11.0 In. W.C. (2.74 kPa)
Minimum Pressures must be maintained under both load and no load
(static and dynamic) conditions.
REAR VIEW
FRONT VIEW
BTU/Hr.
KW
BTU/Hr.
KW Vent Diameter Vent Diameter
Water Conn. Gas Inlet
Model
Natural Gas Natural Gas Propane Gas Propane Gas
Inches
c m
Inches
c m
Size
GW/GB-1000
990,000
289.95
990,000
289.95
10
25.4
8
20.3
2 1/2 NPT
2 NPT
GW/GB-1300
1,300,000
380.74
1,300,000
380.74
12
30.5
10
25.4
2 1/2 NPT
2 NPT
GW/GB-1500
1,500,000
439.31
1,500,000
439.31
12
30.5
10
25.4
2 1/2 NPT
2 NPT
GW/GB-1850
1,850,000
541.82
1,850,000
541.82
14
35.6
10
25.4
2 1/2 NPT
2 1/2 NPT
GW/GB-2100
2,100,000
615.04
2,100,000
615.04
14
35.6
12
30.5
2 1/2 NPT
2 1/2 NPT
GW/GB-2500
2,490,000
729.26
2,490,000
729.26
16
40.7
12
30.5
2 1/2 NPT
2 1/2 NPT