8
Performance data
Table 8A AHRI Chart
• 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 Water Heater
Indirect
Water
Heater
Model
Number
Potable
Water
Volume
Gal.
Heat Source
Water
Volume
Gal.
Standby
Heat Loss
F/hr
Continuous
Draw Rating
Gal/hr
First Hour
Rating Gal/
hr
Minimum Heat
Output Rate
from
Heat Source
Btu/hr
Minimum
Heat Source
Flow Rate
GPM
Tank Heat
Source
Friction Loss
Feet W.C.
GIT040
40
1.6
1
137
167
96,000
14
5.7
GIT050
50
1.9
1.3
182
227
132,000
14
5.8
GIT080
70
2.4
1.2
262
319
175,000
14
8.9
GIT119
115
2.8
0.5
294
389
197,000
14
11
18
Glass Lined Indirect Water Heater Installation & Operation Manual