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.
Replacing your water heater with a new one will help you decrease your energy or gas bill with new technology. Typically, water heaters should last between 10-15 years and as long as you perform regular maintenance on it, it should last a good amount of time.est Answer: AO Smith makes a good heater, but I'd start planning a replacement. 14 years is a pretty long time for a heater to last.