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Electric Water Heating
 Probably the least expensive tank-type water heaters to purchase and install, electric-powered models are a favorite with builders and installers in areas where alternative fuel sources are unavailable. Recent regulatory changes have made this type of electric water heater much more efficient thereby making the product class a better value.
Nothing could be simpler than replacing one electric water heater with a new one. There are no gas or oil lines to contend with and no venting to consider. It requires only removing the old heater, placing the new unit, installing the inlet and outlet water lines and connecting the electric power. Yearly operating costs are proportionally higher than gas or oil models but this is somewhat offset by the initial savings in both purchase price and installation costs.
Based on a design similar to that of an electric oven, these models heat water by using electric elements submersed inside the tank. The elements are placed one low and one high in the tank to distribute heat more evenly throughout the stored water.
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