100.What is the condensate pump? What is the critical point of NPSH for the pump and how to handle it?

Condensate pumps help circulate water (condensate) from Condenser thru LP heaters to De-aerator. Net Positive Suction Head (NPSH) is the minimum Head (pressure) required at the suction of the Pump to function properly. The NPSH can be maintained by a combination of the Pressure and the Level at the vessel from which the pump is taking its suction from.