The standard "tank type" water heater is found in most homes
and with just a little maintenance, provides years of trouble free
operation. Unlike tankless water heaters which have no storage stank, the
tank type water heater heats cold water and stores the hot water until it is
needed. This tutorial will give you a clear understanding of the components
which make up the tank type gas water heater.
The
gas water heater works by a law of physics called convection which
loosely paraphrased, states that heat rises. Now please don't run off just
because I said "physics". Heat rising and convection is a simple rule that
you live with everyday and a hot water tank is no exception. Cold water is
supplied to the tank and injected at the bottom of the tank through a dip
tube. The denser cold water stays there and is heated by the gas burner.
As the water heats up, it naturally rises (physics again...) and is drawn
off by the hot water discharge pipe. You'll notice in the diagram above that
the hot water pipe is much shorter than the cold water pipe. This ensures
that only the hottest water is being used from the tank. The hot water
heater has simple parts and some safety features.
Tankless Water Heaters, also known as On Demand Tankless
Water Heaters, have been around for decades, but have had limited market
penetration in the United States. In other parts of the World where energy
costs are higher and space is limited, these methods of energy conservation
are the standard. Our Electric Tankless Water Heaters, Propane Tankless
Water Heaters and Gas Tankless Water Heaters guarantee an endless supply of
hot water for residential, commercial or anywhere a constant source of hot
water is needed. Since there is no tank to fill, there is no end to your
supply of hot water. Depending on the application tankless water heaters
will deliver between 200 and up to several 1000 gallons per hour.
Saves On Utility Cost
Since a tankless water heater has neither a storage tank to keep heated
24/7, nor a pilot light (on gas or LP models) it only costs when you need
hot water. This higher efficiency can allow you to save from 50% to 80% off
your utility cost for heating water. Heating of water is considered the
second largest cost of energy next to heat/air conditioning systems in home.
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