Commercial Gas Boilers
Revised November 2008
PG 2 OF 4
www.hotwater.com
AOSDG25200
GW SERIES INDOOR MODELS
GWO SERIES OUTDOOR MODELS
MODEL
NUMBER
BTU INPUT
PER HOUR
DIMENSIONS IN INCHES
EXHAUST VENT
AIR INLET
WATER CONN.
GAS PIPE
(SEE DRAWINGS ABOVE)
WIDTH
A
B
C
GW SERIES INDOOR MODELS
GW-300
300,000
5
5
1-1/2
3/4
29-1/2
14-13/16
9
12
GW-400
399,900
6
6
1-1/2
1
35-3/4
17-15/16
9
14-3/4
GW-500
500,000
6
6
2
1
42
21-1/16
9
14-3/4
GW-650
650,000
8
8
2
1-1/4
51-3/8
25-3/4
9
14-3/4
GW-750
750,000
8
8
2
1-1/4
57-3/8
28-7/8
9
17-1/4
GWO SERIES OUTDOOR MODELS
GW-300
300,000
-
-
1-1/2
3/4
-
49
24-3/16
-
GW-400
400,900
-
-
1-1/2
1
-
55-1/4
24-3/16
-
GW-500
500,000
-
-
2
1
-
61-1/2
24-3/16
-
GW-650
650,000
-
-
2
1-1/4
-
70-7/8
-
27-11/16
GW-750
750,000
-
-
2
1-1/4
-
77-1/8
-
27-11/16
July 2011R
238403_AOSDG25200.indd 2
238403_AOSDG25200.indd 2
7/21/11 1:27 PM
7/21/11 1:27 PM
