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Part number 550-100-400/0119
57
Figure 55 ump cures for tpical circulators suested for loop
Figure 54ipe siin and head losses for
applications
(H1=Ultra boiler head loss;
H2=piping head loss)
Flow
rate
Temp
rise
Pipe
size
H1 H2
GPM °F Inches
Boiler head
loss
Feet w.c.
Piping head
loss
Feet w.c.
72016.62.7
9 16 1 11.6 4.2
10 14 1¼ 14.6 2.5
72717.02.7
9 21 1 11.2 4.2
10 19 1¼ 13.6 2.5
13 14 1¼ 22.2 3.9
9311¼6.22.1
10.0 28 1¼ 7.7 2.5
13 21 1¼ 13.3 3.9
16 17 1¼ 20.5 5.7
13 32 1¼ 9.4 3.9
16 26 1¼ 13.7 5.7
21 20 1½ 22.0 2.9
18 31 1½ 6.6 2.2
22 25 1½ 9.5 3.1
29 19 2 17.4 2.9
22 34 1½ 9.5 3.1
29 25 2 15.5 2.9
36 20 2 22.8 4.3
Taco 0011
Taco 0010
Taco 007
Taco 1400-30
Taco 0013
Grundfos 43-75
Taco 0014
Grundfos 15-42
Taco 1400-20
Taco 0012
®
Series 4
gas-fired water boiler — Boiler Manual
Sizing dire ct-connected DHW piping (continued)
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