Definitions for "Total Head"
All of the various heads that affect the pumps ability to produce pressure at a given flow rate.
The difference between the head at the discharge and suction flange of the pump ( syn Total Dynamic Head, pump head, system head).
The energy required to pump water from its source to the point of discharge; equal to the total static head, plus pressure head, plus friction head, plus the velocity head. Also commonly called Total Operating Head or Total Dynamic Head.