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.
A water heaterâs useful life varies, depending on the type of water heater, the quality of the unit, and how well itâs been maintained. A traditional tank-type water heater lasts an average of eight to 12 years.