23
Part 1 - General Safety Information
Part 4 - Water Piping
E. Internal Circulation Pump
To calculate the size of the heating installation refer to the graph below.
Table 9 - Internal Circulation Head Curve
0
5
10
15
20
25
0 2 4 6 8 10 12
Head [�]
Flow Rate [US GPM]
Available Head vs. Flow Rate
Graph Representing the Available Circulation Pump Head