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11
PIPING OF BOILER TO SYSTEM
Check all applicable local heating, plumbing and building safety codes before proceeding.
Be sure to provide unions and gate valves at inlet and outlet to boiler so that it can be easily isolated for
service.
This boiler is of a low mass design, which provides for instant heat transfer. Special attention to water low
rates will ensure that temperature rise does not exceed 35° F (19.4° C). The following Table is provided as
a guide.
For application in areas known to have hard water conditions, contact factory for recommendations.
Table 5: Flow and Pressure Drop at a Given Temperature Rise
Head Loss and Flow Vs Temperature Rise
Model
60
100
150
200
250
300
400
500
600
10 ° F
USGPM
∆P ft.
USGPM
10.2
0.03
17.0
0.07
25.5
0.20
34.0
0.40
42.5
0.65
51.0
1.50
68.0
2.00
85.0
3.00
102.0
4.30
Figure 5: Typical Boiler Piping to System
20 ° F
∆P ft.
USGPM
5.1
0.01
8.5
0.02
12.8
0.04
17.0
0.08
11.3
21.3
0.16
14.2
25.5
0.49
17.0
34.0
0.55
22.7
42.5
0.76
28.3
51.0
1.15
34.0
13
30 ° F
∆P ft.
3.4
0.005
5.7
0.010
8.5
0.030
0.050
0.100
0.190
0.260
0.390
0.550
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