17
FLOW CENTER INSTALLATION AND LOOP FLUSHING MANUAL
Unit Pressure Drop Tables
Residential Unit Pressure Drop
Series
Model & Size
Closed Loop (minimum)
Closed Loop (optimum)
Flow Rate
Pressure Drop*
Flow Rate
Pressure Drop*
GPM
PSI
Ft. Head
GPM
PSI
Ft. Head
Envision
Single Speed
NS022
4.5
1.6
3.8
6.0
2.7
6.2
NS030
6.0
2.8
6.6
8.0
4.8
11.1
NS036
7.0
1.9
4.5
9.0
3.3
7.5
NS042
8.0
2.1
4.8
11.0
4.1
9.4
NS048
9.0
2.1
4.9
12.0
3.7
8.4
NS060
12.0
3.6
8.4
15.0
5.3
12.3
NS070
15.0
4.0
9.3
18.0
5.5
12.7
Envision
Dual Capacity
ND026 Low
5.0
1.8
4.3
7.0
3.4
7.9
ND026 High
6.0
2.6
6.0
8.0
4.4
10.1
ND038 Low
6.0
1.6
3.7
8.0
2.6
6.1
ND038 High
7.0
2.1
4.8
9.0
3.2
7.4
ND049 Low
8.0
1.8
4.2
11.0
3.1
7.2
ND049 High
9.0
2.2
5.2
12.0
3.6
8.4
ND064 Low
10.0
2.5
5.7
14.0
4.7
10.8
ND064 High
12.0
3.5
8.1
16.0
6.0
13.8
ND072 Low
13.0
3.3
7.5
16.0
4.6
10.6
ND072 High
15.0
4.2
9.8
18.0
5.7
13.1
E & EZ
Single Speed
E024
4.5
1.4
3.2
6.0
2.4
5.6
E030
5.5
2.0
4.7
7.0
3.1
7.2
E035
7.0
3.4
7.9
9.0
5.4
12.4
E040
8.0
3.3
7.7
11.0
4.7
10.9
E047
9.0
3.5
8.2
12.0
5.6
12.9
E058
11.0
2.9
6.7
14.0
4.6
10.6
E066
13.0
4.1
9.5
16.0
5.8
13.4
E & EZ
Dual Capacity
E036 Low
4.0
1.0
2.2
5.0
1.5
3.4
E036 High
7.0
2.8
6.5
9.0
4.5
10.4
E048 Low
6.0
1.9
4.4
9.0
3.5
8.1
E048 High
9.0
3.5
8.1
12.0
5.6
12.9
E060 Low
8.0
2.0
4.6
11.0
2.9
6.7
E060 High
11.0
2.9
6.7
14.0
4.6
10.6
E072 Low
10.0
2.6
6.0
13.0
4.1
9.5
E072 High
13.0
4.1
9.5
16.0
5.8
13.4
ES
Single Speed
ES024
4.5
1.8
4.2
6.0
2.7
6.2
ES030
6.0
2.7
6.3
8.0
4.4
10.2
ES
Dual Capacity
ES036 Low
4.0
1.2
2.7
5.0
1.7
3.9
ES036 High
7.0
2.9
6.7
9.0
4.7
10.9
ES048 Low
6.0
1.9
4.4
9.0
3.5
8.1
ES048 High
9.0
3.5
8.2
12.0
5.6
12.9
ES060 Low
8.0
2.0
4.6
11.0
2.9
6.7
ES060 High
11.0
2.9
6.7
14.0
4.6
10.6
ES072 Low
10.0
2.6
6.0
13.0
4.1
9.5
ES072 High
13.0
4.1
9.5
16.0
5.8
13.4
Synergy3
RT046
9.0
5.2
12.0
12.0
8.3
19.2
RT056
11.0
5.4
12.5
14.0
7.7
17.8
RT066
13.0
6.7
15.5
16.0
10.3
23.8
Premier
P010
2.0
3.2
7.4
2.5
4.9
11.4
P013
2.5
4.4
10.1
3.5
7.7
17.8
P019
4.0
2.0
4.6
5.0
3.3
7.7
P022
4.5
3.1
7.2
6.0
5.8
13.3
P028
5.5
2.0
4.7
7.0
3.1
7.2
P034
7.0
3.7
8.7
9.0
5.9
13.6
P040
8.0
4.5
10.4
11.0
9.0
20.8
P046
9.0
5.2
12.0
12.0
8.3
19.2
P056
11.0
5.2
12.0
14.0
7.2
16.6
P066
13.0
6.7
15.5
16.0
10.3
23.8
Ent. Water
Temp.
Correction
Factor
ºF ºC
30
-1
1.08
70
21
0.93
90
32
0.88
110
43
0.83
* Pressure Drops shown at
50º F EWT. For Pressure
Drops at other EWTs, use
table below.
