|
Model |
SB735/790 |
SB735/970 |
SB735/1200 |
| Performance Data |
|
|
|
| Gas Input (MBH) |
2,751 |
3,378 |
4,179 |
| Gross IBR Output (MBH)* |
2,650 |
3,251 |
4,079 |
| Max Output Range (MBH)** |
2,400-2,650 |
2,950-3,251 |
3,650-4,079 |
| Net IBR Raing (MBH) |
2,265 |
2,827 |
3,547 |
| Thermal Efficiency (%) |
96.9% |
96.3% |
97.6% |
| Combustion Efficiency (%) |
94.7% |
95.6% |
96.5% |
| Boiler Horse Power |
77.8 |
97 |
121.8 |
| Fireside Pressure Drop (in. wc) |
1.98 |
2.31 |
2.6 |
| Piping Connections |
|
|
|
| Vent Pipe Diameter |
14" |
14" |
14" |
| Vent Connection Size |
19" |
19" |
19" |
| Supply |
4" |
5" |
5" |
| Return |
4" |
5" |
5" |
| Physical Dimensions |
|
|
|
| Overal Boiler Length (LG) |
91½" |
108¼" |
108¼" |
| Boiler Block Length (LK) |
75½" |
92" |
92" |
| Boiler Height |
81¼" |
81¼" |
81¼" |
| Boiler Width |
54 |
54 |
54 |
| Dry Weight (lbs.) |
3,811 |
4,780 |
4,855 |
| Water Content (gal) |
494 |
660 |
668 |
The SB735 Boiler is approved for side-wall venting.
* Listed output based on IBR testing procedure.
**Output dependent on return temperature and firing rate.