Out Put Temperature vs. GPM (Max. 9.0 GPM) with Various Ground Water Temperature
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
100
105
6.4
5.9
40 F
7.7
7.0
50 F
9.0
8.5
60 F
9.0
9.0
70 F
*When the set temperature is 150ºF or higher, maximum flow rate is limited to 5.3 GPM.
Correct Gas pipe size can be expect this chart
110
115
120
125
5.5
5.1
4.8
4.5
6.4
5.9
5.5
5.1
7.7
7.0
6.4
5.9
9.0
8.5
7.7
7.0
130
135
140
150
4.3
4.0
3.8
3.5
4.8
4.5
4.3
3.8
5.5
5.1
4.8
4.3
6.4
5.9
5.5
4.8
Out put Hot Water Temperature
40 F
50 F
60 F
70 F
- 51 -
160
165
170
175
3.2
3.1
2.9
2.8
3.5
3.3
3.2
3.1
3.8
3.7
3.5
3.3
4.3
4.0
3.8
3.7
180
185
2.7
2.6
2.9
2.8
3.2
3.1
3.5
3.3