I product description, Ii specifi cations, Table 1: specifications – Crown Boiler CWD138 User Manual
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I Product Description
The CWD series boiler is a cast iron gas fi red boiler designed for use in forced hot water heating systems. It is is a low
pressure boiler intended for use in closed heating systems with water temperatures under 240F. This boiler may be vented either
vertically or horizontally with combustion air supplied from either outdoors or (under certain conditions) indoors. It is ideal for
use in installations where a reliable source of clean indoor combustion air cannot be guaranteed.
II Specifi cations
TABLE 1: SPECIFICATIONS
MODEL
SECTIONS
INPUT
(MBH)
DOE HTG.
CAPY (MBH)
I=B=R NET
RATING (MBH)
AFUE
(%)
FIG 1
DIM. “A” (in.)
VENT
DIA. (in.)
WATER
CONTENT
(Gal.)
CWD060
3
60
51
44
85.1
16-1/8
3
2.0
CWD083
4
82.5
71
62
85.1
19-3/4
3
2.6
CWD110
5
110
94
82
85.2
23-3/8
3
3.1
CWD138
6
137.5
118
103
85.2
27
3
3.6
CWD165
7
165
142
123
85.2
30-5/8
3 OR 4
4.2
CWD193
8
192.5
165
143
85.2
34-1/8
3 OR 4
4.7
CWD220
9
220
189
164
85.2
37-3/4
3 OR 4
5.2
CWD245
10
245
211
183
85.3
41-3/8
3 OR 4
5.8
FIGURE 1: GENERAL CONFIGURATION