Many modern homes come with dual element water heaters.
Electric hot water heater thermostat settings.
Usually when the upper thermostat goes bad you will have no hot water at all while a bad lower thermostat makes itself known when there is only a small amount of hot water before the tap water goes cold.
If you turn the hot water tap and cold water runs out then the upper thermostat is damaged.
Adjusting an electric hot water heater temperature thermostat setting is a little more involved but still relatively easy.
See the article troubleshooting electric water heaters for a complete listing of all of the problems related to an electric water heater.
When you check your electric water heater you will notice two thermostats on the unit one at the top and one at the bottom.
Although manufacturer s usually set water heaters at 140 degrees f you can reduce your carbon footprint and save money by adjusting your water heater thermostat.
This article deals with thermostats on electric water heaters.
An upper and a lower located under two control panels.
Hot water heater settings are easy to adjust although electric heaters will require a screwdriver and possibly a small wrench or socket.
How to set the upper and lower thermostats on dual element water heaters.
The majority of electric water heaters have two thermostats.
Not sure if this is your problem.
The upper thermostat controls both the upper and lower element.
Department of energy for each 10 degree reduction in water temperature you can save between 3 and 5 percent in energy costs.
And most tankless water heaters feature a display with a temperature readout and controls.
When it goes bad you don t have any hot water at all.
Testing water heater thermostats is important in locating water heater problems.
Too little hot water.
Each of these devices controls two different heating elements.
Keep in mind that the thermostat is factory preset to a recommended temperature and changing the setting may increase the potential for serious burns.
Electric water heaters often have two thermostats one at the top and another at the bottom of the tank.
According to the u s.
An electric hot water heater has two thermostats controlling two separate heating elements one in the upper half of the tank one in the lower half.
I m guessing that setting your top thermostat to a 150 would give you small amount of really hot water rather quickly while setting the upper and lower thermostats evenly to a moderate temperature 115 125 would be your quickest way to get a full tank of hot water.
This thermostat is meant to be set once and left alone usually the factory settings are suitable.
