Noritz NR501-OD Service Manual page 8

<NRC661-DV, NRC661-OD>
40
35
30
25
20
15
10
5
0
0.0
<NRC711-DV, NRC711-OD>
50
45
40
35
30
25
20
15
10
5
0
0.0
1.0 2.0 3.0
1.0 2.0 3.0
4.0 5.0
Flow rate [GPM]
4.0 5.0
Flow rate [GPM]
8
90
80
70
60
50
40
30
20
10
0
6.0 7.0 8.0
110
100
90
80
70
60
50
40
30
20
10
0
6.0 7.0 8.0