AFFINITY COMBINATION INSTALLATION MANUAL
Pressure Drop
Model
gpm
30°F
5
1.2
038
7
2.2
full
9
3.4
load
11
4.9
4
0.9
038
6
1.7
part
8
2.8
load
10
4.2
6
1.2
049
9
2.4
full
12
3.9
load
15
5.7
5
1.1
049
8
2.0
part
11
3.4
load
14
5.0
8
2.0
064
12
3.6
full
16
6.5
load
20
9.7
6
1.2
064
10
2.6
part
14
5.0
load
18
8.1
12
3.6
072
15
5.7
full
18
8.1
load
21
10.8
10
2.6
072
13
4.1
part
16
6.5
load
19
8.9
Pressure Drop (psi)
50°F
70°F
90°F
1.2
1.1
1.0
2.1
1.9
1.8
3.2
3.0
2.8
4.6
4.3
4.0
0.8
0.8
0.7
1.6
1.5
1.4
2.6
2.5
2.3
3.9
3.7
3.4
1.2
1.1
1.0
2.2
2.1
2.0
3.6
3.4
3.2
5.3
5.0
4.7
1.1
1.0
0.9
1.8
1.7
1.6
3.1
2.9
2.8
4.7
4.4
4.1
1.8
1.7
1.6
3.3
3.2
3.0
6.0
5.6
5.2
9.1
8.5
8.0
1.2
1.1
1.0
2.5
2.3
2.1
4.7
4.4
4.1
7.6
7.1
6.6
3.3
3.2
3.0
5.3
5.0
4.7
7.6
7.1
6.6
10.1
9.5
8.9
2.5
2.3
2.1
4.0
3.7
3.4
6.0
5.8
5.4
8.4
7.9
7.4
110°F
1.0
1.7
2.6
3.7
0.7
1.3
2.1
3.2
1.0
1.8
2.9
4.3
0.9
1.5
2.5
3.8
1.5
2.6
4.8
7.4
1.0
2.0
3.8
6.1
2.6
4.3
6.1
8.2
2.0
3.3
5.0
6.9
6/8/11
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