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.
New federal rules for water heaters will mean higher price tag. Now, the cost to buy and install a typical water heater is about $900. New federal regulations for the efficiency of water heaters go into effect April 16 and will lead to higher replacement prices for homeowners but possibly long-term utility bill savings.