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.
So, if your water heater breaks down and the cost to repair your water heater is $425 and your water heater is older than seven years, you should think about replacing your broken water heater. This has a more expensive initial cost, but over time, you will save more on your energy bills.