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.
According to highly rated plumbing companies Angieâs List interviewed, the average lifespan of a traditional tank-style natural gas water heater or electric water heater is only eight to 12 years, making a water heater replacement one of the most common home improvement investments.