Available on Project MUSE and JSTOR. Online access to Contemporary Literature is available as part of the Project MUSE collections. All back issues of Contemporary Literature beginning with Vol. 1, 1960 are available online through the JSTOR digital archive.
Many manufacturers recommend water heater anode replacement every two to four years depending on the hardness of the water that passes through the tank and the quality of the water heater lining.
Prolonging Water Heater Life. Proper water heater maintenance can increase your water heaterâs efficiency and prolong its service life. Set your water heater temperature to 120 degrees Fahrenheit. If you plan to be away, turn the water heater off or the thermostat down to its lowest setting.