After this lesson, you will be able to describe the basic purpose and operation of the major components typically found in a feedwater system. You will also be able to further explain the relationship between the condensate and feedwater systems during boiler operation. • Discuss the relationship between the deaerator storage tank and boiler feed pumps • Describe the function of a typical boiler feed pump • Explain the purpose and operation of the high-pressure heaters • Discuss the relationship between the boiler economizer and the final feedwater temperature • Describe the basic design and operation of a typical steam drum