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Guide to how a Hot Water Heater Works

//Guide to how a Hot Water Heater Works

Guide to how a Hot Water Heater Works

One of the things we often take for granted is water and even more specifically – hot water!  When all is working well, we go the sink or shower and turn the knob, beginning the flow of water. If we selected hot water, water will flow starting at room temperature (this the temperature of the water is in the pipes near the sink or shower) and change to warm and eventually hot, all thanks to our hot water heater.  But what happens if the water never gets hot? If this happens, you may have a problem with your hot water heater.

Water comes into your home, business, or school through a water pipe hooked to your city’s water system or through a well, in more rural settings.  Water is typically divided into two pipes to feed your house.  One with “tap water” straight from the city water system or well, and the other is piped into the water heater.   

As the hot water is utilized, water is directed into the water heater tank to maintain a full reservoir of water.  Heating elements in electric water heaters begin to heat up the water in the tank. Usually there are two heating elements to maintain the same temperature throughout the reservoir.   A temperature gauge detects and controls the water temperature.  If the temperature of the water is lower than what is set on the unit, a current will pass through the element and heat the water.  In gas water heaters, a gas burner is ignited when the water temperature drops below the set number.  When a faucet is turned on for hot water somewhere in the house, the hot water will flow through pipes to that faucet. Water then begins filling up the tank in the water heater again, and the process repeats. If your house is using a lot of hot water at the same time, you may notice the water coming from your faucet (or shower) begin to cool. This is due to the stored hot water in the tank being emptied and you will need to wait until the tank is refilled to get more hot water.

If you begin noticing water not being as hot or hot water not lasting as long, you may have a problem with your hot water heater. This is when it is time to call a professional like Roto Rooter. Roto Rooter is a reliable and efficient with all your plumbing needs including servicing or replacing your water heater.  Give us a call today and we will solve any hot water issue you are having!

By |2018-09-05T13:24:19+00:00September 5th, 2018|Water Heaters|0 Comments