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John Haynes Profile and Articles
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1). How Long Will Your Water Heater Last? Your Anode Rods Will Tell Us.
Copyright 2006 John Haynes
Description
An anode rod is a rod made of "sacrificial" metal. Like batteries, the anode produces an electrochemical reaction in the tank. The anode slowly wears away instead of the lining of the tank. As long as the anode is present and functional, almost all corrosion or rusting on the tank's lining is prevented.
Access
To all consumers who are shopping for a new water heater, an important aspect of the new appliance is the accessibility to its anode rod.
2). How Long Will Your Water Heater Last? Your Anode Rods Will Tell Us. Part 2
Copyright 2006 John Haynes
Anode Evaluation
If the anode rod has more sacrificial metal than exposed steel rod, then it is still in good shape. However, if the entire surface becomes covered in calcium carbonate and this calcium carbonate becomes hard, this will prevent the anode from protecting the tank any longer. This is known as passivation. If the anode has passivated, it will not look so by sight alone.
3). Know Your Way Around Commercial Water Heaters
Copyright 2006 John Haynes
Description
The term "commercial" in regards to water heaters simply means it has one or more of the following features which are different from residential water heaters. Commercial heaters put out a minimum of 75,000 british thermal units. They also have a clean-out port on the side of the water heater (residential water heaters have to be cleaned out with special equipment and the drain valve).
4). How To Adjust The Temperature On Gas And Electric Water Heaters
Copyright 2006 John Haynes
Electric Controls
Electric heaters heat up water with two horizontal elements running inside the tank of the water heater. One is located on the upper half of the heater, and one is located on the lower half. Elements are similar to the metal grill pieces found on top of household stoves. There are high watt and low watt elements.
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