A.O. Smith GWT-300 User Manual
Commercial Gas Boilers
ELECTRIC BACK-UP OPTION
• Storage tanks can be specified with heavy-duty electric heating elements and controls for up to 3,000 Kilowatt (kW) input
• 100% electric back-up ensures hot water supply even during gas outages
• 100% electric back-up ensures hot water supply even during gas outages
OTHER FEATURES:
ASME TEMPERATURE AND PRESSURE RELIEF VALVE #125
TANK TEMPERATURE SENSOR AND THERMOMETER
ISOLATION VALVES (BALL VALVES)
125 PSI TANK WORKING PRESSURE
CAST-IRON BRONZE-FITTED CIRCULATING PUMP
LARGE SYSTEMS SHIPPED WITH SPLIT/BOLT TOGETHER SKIDS FOR EASE OF SHIPPING AND INSTALLATION
TANK TEMPERATURE SENSOR AND THERMOMETER
ISOLATION VALVES (BALL VALVES)
125 PSI TANK WORKING PRESSURE
CAST-IRON BRONZE-FITTED CIRCULATING PUMP
LARGE SYSTEMS SHIPPED WITH SPLIT/BOLT TOGETHER SKIDS FOR EASE OF SHIPPING AND INSTALLATION
OTHER OPTIONS:
ALL-BRONZE CIRCULATING PUMP
150 AND 160 PSI TANK WORKING PRESSURES
11”x 15” MANHOLES
150 AND 160 PSI TANK WORKING PRESSURES
11”x 15” MANHOLES
HORIZONTAL STORAGE VESSEL DATA
MODEL
NUMBER
INCHES OR
CM
DIMENSIONS
LENGTH
(A1)
OUTLET DIM
(A2)
WIDTH
(B1)
HEIGHT
(B2)
INLET
HEIGHT
(B3)
INLET SIZE
OUTLET SIZE
AJH-200
Inches
77
18
36
16
21
2-1/2
2-1/2
cm
195.6
45.7
91.4
40.6
53.3
6.4
6.0
AJH-350
Inches
93
19-1/2
42
15-1/2
247
2-1/2
2-1/2
cm
236.2
49.5
106.7
39.4
627.4
6.4
6.4
AJH-400
Inches
99
19-1/2
42
15-1/2
24
2-1/2
2-1/2
cm
251.5
49.5
106.7
39.4
61
6.4
6.4
AJHT-500
Inches
94
21
48
16
27
3
3
cm
238.8
53.3
121.9
40.6
68.6
7.6
7.6
AJH-500
Inches
79
56-1/2
54
59
30
3
3
cm
200.7
143.5
137.2
149.9
76.2
7.6
7.6
AJH-750
Inches
111
22-1/2
54
16-1/2
30
3
3
cm
281.9
57.2
137.2
41.9
76.2
7.6
7.6
AJH-1000
Inches
143
22-1/2
54
163-1/2
30
3
3
cm
363.2
57.2
137.2
415.3
76.2
7.6
7.6
www.hotwater.com
AOSDG61020
Revised August 2008
PG 2 OF 4