Understanding Hydronic System Components

Topics:
Why is it called a Centrifugal Pump?
How do pumps do what they do?
Does it matter where the pump is located in a closed loop system?
What is the “Point of No Pressure Change” and where is it located?

[@greekmaster1001]

Can we add two or three # 30 EXPANSION TANKS instead of a big one of a bigger one is needed according to math?

[@FIA_Inc]

Yes, you can have multiple expansion tanks piped together.