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.
The cost to Replace a Hot Water Heater starts at $1,170 - $1,365 per heater, but varies significantly with common options. Get real costs for your SPECIFIC project requirements here. See the time to replace a hot water heater, along with per unit costs and material requirements.