As hot water is drawn from the top of the tank, the dip tube delivers cold water to the bottom of the tank (see figure 3). Eventually the cold water mixes with the hot, lowering the temperature to below the lower thermostat setting and the bottom element is energized.
Cordova, Alabama. Cordova is a city in Walker County, Alabama, United States. It was incorporated in 1897. At the 2010 census the population was 2,095, down from 2,423 in 2000. Contents.
Cordova, Alabama got its name from Captain Benjamin M. Long in 1859. The name is the same as a city. in Mexico where the Captain had been stationed during the Mexican War. Cordova is located northwest. of Birmingham, Alabama and is a part of its metropolitan area. In the late 1800s Cordovaâs industrial base.