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Performance Data - Bosch SST150-40 Installation And Operating Manual

Indirect fired water heaters
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8 Performance Data

Indirect Water Heater I=B=R Rating
Potable
Water
Model
Volume
Gal.
SST150-40
40.0
SST250-65
67.0
SST300-80
81.5
SST450-119
113.4
• These ratings were obtained with a heat source output and
heat source flow rate as listed in the chart using the
parameters of the Domestic Cold Water Inlet at 58°F,
Domestic Temperature Rise of 77°F, and a Boiler
Temperature Output of 180°F. Other results will be
obtained under different conditions.
Indirect Fired Water Heaters Installation and Operating Manual
Heat
Continuous
Source
Standby
Water
Heat Loss
Volume
F/hr
Gal.
1.6
0.7
1.9
0.5
2.1
0.5
3.2
0.4
Installation & Operating Manual
First
Minimum
Draw
Hour
Heat Output
Rating
Rating
Rate from
Gal/hr
Gal/hr
Heat Source
181
208
263
327
285
358
349
459
Minimum
Heat
Source
Flow Rate
Btu/hr
GPM
115,000
14.0
154,000
14.0
171,000
14.0
216,000
14.0
Table 8A
Tank Heat
Source
Friction
Loss Feet
W.C
4.5
5.7
6.1
6.5
| 21

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This manual is also suitable for:

Sst250-65Sst300-80Sst450-119