Basic
Boiler
Model |
No. of
Sections |
Natural or LP Gas* |
Dimensions (in.) |
Water
Vol
(Gal.)
*** |
Input
(MBH) |
Heating
Capacity
(MBH) |
IBR Net Rating,
Steam |
AFUE (%) |
| (Sq Ft.) |
(MBH) |
Standing
Pilot |
Int.
Pilot |
"A" |
"B" |
"C" |
"D" |
| BSI069 |
3 |
69 |
57 |
179 |
43 |
80.0 |
81.9 |
12-3/4 |
28 |
40-7/16 |
4 |
5.1 |
| BSI103 |
4 |
103 |
85 |
267 |
64 |
80.0 |
82.0 |
16 |
28 |
40-4/16 |
5 |
6.5 |
| BSI138 |
5 |
138 |
113 |
354 |
85 |
80.3 |
82.0 |
19-1/4 |
28 |
40-7/16 |
6 |
7.9 |
| BSI172 |
6 |
172 |
142 |
446 |
107 |
80.6 |
82.1 |
22-1/2 |
28 |
40-7/16 |
6 |
9.3 |
| BSI207 |
7 |
207 |
171 |
533 |
128 |
80.9 |
82.1 |
25-3/4 |
30 |
40-7/16 |
7 |
10.7 |
| BSI241 |
8 |
241 |
199 |
621 |
149 |
80.0 |
82.2 |
32-1/4 |
30 |
40-7/16 |
7 |
12.1 |
| BSI276 |
9 |
276 |
227 |
708 |
170 |
80.3 |
82.2 |
32-1/4 |
30 |
40-7/16 |
8 |
13.5 |
| BSI310 |
10 |
310 |
255 |
800 |
192 |
82.5** |
35-1/2 |
30 |
45-7/16 |
8 |
14.9 |
| BSI345 |
11 |
345 |
284 |
892 |
214 |
82.5** |
38-3/4 |
30 |
45-7/16 |
9 |
16.3 |
| BSI379 |
12 |
379 |
312 |
979 |
235 |
82.5** |
42 |
30 |
45-7/16 |
9 |
17.7 |
|
