![Steps For Selecting a Natural Gas Water Heater](/images/new-backgrounds/35568/355685x1.webp)
Steps For Selecting a Natural Gas Water Heater
•Decide which type of natural gas water heater will work best for your home.
•Determine the size you need by using the first hour recovery ratings.
•Compare energy efficiency, operating costs and purchase prices.
•Select the best venting option for your home.
•Be sure that the models you are considering are
•Choose a qualified installer.
•Maintain and use your water heater properly.
Types Of Natural Gas Water Heaters
Other types of water heaters that depend on the home’s heat- ing system are also available. One is a combination system that pro- vides
Here’s a more detailed explanation of each:
Storage Water Heaters
Storage water heaters are the most popular type for residential use in the United States. Astorage water heater takes cold water from the home’s water supply and moves it to the bottom of the tank, where it’s heated by a gas burner controlled by a thermostat. Hot water is lighter than cold water, so the heated water rises to the top of the tank, where a delivery pipe sends it where it’s needed. When hot water leaves the tank and colder water replaces it in the bottom of the tank, the burner automatically comes on again to heat the new water. The burner will also come on if the water in the tank drops below a
The insulated storage tanks are usually made of steel, and are lined inside with glass or another material to prevent corrosion. The tanks also contain an "anode" rod, composed of one or more metals, which attracts corrosion away from the rest of the tank’s components.
Because the water in the storage tank is kept at a constant temperature 24 hours a day, some heat is lost even when no hot water faucet is on. This is called
The natural gas burner produces some combustion byproducts
Storage water heaters are
Tankless or Instantaneous Water Heaters
Tankless water heaters can be
Because these tankless units do not store water, they have no
Instantaneous water heaters can be installed outdoors as well as indoors, and are suitable for vacation homes, cabins or recreational vehicles. They are not the best choice, however, for a family that needs large quantities of hot water during a short time period
Combo-heaters
Combination
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