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38
6
Hydronic piping
0
5
10
15
20
25
30
0
2
4
6
8
10
12
40 Model
70 Model
100 Model
120 Model
FLOW RATE (GPM)
PRESSURE DROP
(FEET OF HEAD)
Figure 6-3 Pressure Drop vs. Flow
20°F Temperature Rise Applications
Model
GPM
FT/HD
Minimum Pipe
Size
Pump
Grundfos
TACO
B & G
Armstrong
40
3.7
10.2
3/4"
UPS15-58FC
008-IFC
NRF-36
E7
70
6.5
17.1
1"
UPS26-99FC
0014-IFC
NRF-36
E7
100
9.3
24.5
1"
UPS26-99FC
0013-IFC
NRF-36
E11
120/120( C )
11.2
25.4
1"
UPS32-160
0013-IFC
NRF-36
E11
Table 6A Circulator Recommendations for Temperature Rise Applications_20°, 25°, and 35°
25°F Temperature Rise Applications
Model
GPM
FT/HD
Minimum Pipe
Size
Pump
Grundfos
TACO
B & G
Armstrong
40
3.0
6.9
3/4"
UPS15-58FC
007-IFC
NRF-22
E7
70
5.2
10.9
1"
UPS15-58FC
008-IFC
NRF-36
E7
100
7.4
15.7
1"
UPS26-99FC
0014-IFC
NRF-36
E7
120/120( C )
8.9
15.5
1"
UPS26-99FC
0011-IFC
NRF-36
E7
35°F Temperature Rise Applications
Model
GPM
FT/HD
Minimum Pipe
Size
Pump
Grundfos
TACO
B & G
Armstrong
40
2.1
3.9
3/4"
UPS15-58FC
006-IFC
NRF-22
Astro-30
70
3.7
6.0
1"
UPS15-58FC
006-IFC
NRF-22
Astro-30
100
5.3
8.8
1"
UPS15-58FC
008-IFC
NRF-36
Astro-30
120/120( C )
6.4
9.0
1"
UPS15-58FC
008-IFC
NRF-36
Astro-30
The temperature rise provided by a pump/model combination will decrease by 3% per 1000 feet of elevation.
NOTICE
Installation & Service Manual
*Only pump supplied w/boiler is DHW pump on 120 Combi version.