Dimensions/Capacities Data - A.O. Smith 400 Instruction Manual

DIMENSIONS/CAPACITIES DATA

TABLE 1: GAS AND ELECTRICAL REQUIREMENT
Manifold Pressure
MODEL Type of Gas Inches W.C. kPa
GW/GB-1000
thru 2500 NATURAL
GW/GB-1000
thru 2500 PROPANE
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 during operating conditions.
TABLE 2. DIMENSIONAL DATA
Model Inches
GW/GB-1000
GW/GB-1300
GW/GB-1500
GW/GB-1850
GW/GB-2100
GW/GB-2500
BTU/Hr.
Model Natural Gas Natural Gas Propane Gas Propane Gas
GW/GB-1000 990,000
GW/GB-1300 1,300,000
GW/GB-1500 1,500,000
GW/GB-1850 1,850,000
GW/GB-2100 2,100,000
GW/GB-2500 2,490,000
TOP VIEW
FRONT VIEW
Electrical Characteristics
Volts/Hz
3.5 0.87 120/60
10 2.49 120/60
A B
c m Inches c m
14.1 35.8 12.2 31.0
24.8 63.0 12.2 31.0
30.2 76.7 12.2 31.0
27.7 70.4 11.2 28.4
31.0 78.7 11.2 28.4
38.1 96.8 10.5 26.7
Input Rating
KW BTU/Hr.
289.95 990,000
380.74 1,300,000
439.31 1,500,000
541.82 1,850,000
615.04 2,100,000
729.26 2,490,000
Refer to "Installation Clearances" section of manual
(page 7) for recommended service clearances prior
to boiler placement.
Amperes
30
30
Figure 1.
C D
Inches c m Inches
40.3 102.4 31.6
40.3 102.4 31.6
40.3 102.4 31.6
43.0 109.2 32.3
43.0 109.2 32.3
43.0 109.2 32.3
Exhaust
KW Vent Diameter
Inches c m
289.95 10 25.4
380.74 12 30.5
439.31 12 30.5
541.82 14 35.6
615.04 14 35.6
729.26 16 40.7
2
IMPORTANT!
LEFT SIDE
REAR VIEW
E
c m Inches c m Inches
80.3 26.0 66.0 46.8
80.3 39.3 99.8 57.3
80.3 44.6 113.3 64.3
82.0 44.0 111.8 78.3
82.0 49.5 125.7 85.3
82.0 56.5 143.5 99.3
Air Intake
Diameter Water Conn.
Inches c m
8 20.3
10 25.4
10 25.4
10 25.4
12 30.5
12 30.5
F
c m
118.9
145.5
163.3
198.9
216.7
252.2
Gas Inlet
Size
2 1/2 NPT 2 NPT
2 1/2 NPT 2 NPT
2 1/2 NPT 2 NPT
2 1/2 NPT 2 1/2 NPT
2 1/2 NPT 2 1/2 NPT
2 1/2 NPT 2 1/2 NPT