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Electric hot water heater temperature settings top and bottom.
Hot water heater settings are easy to adjust although electric heaters will require a screwdriver and possibly a small wrench or socket.
Hot water rises and so the hot water output is from the top of the tank.
Electric water heaters often have two thermostats one at the top and another at the bottom of the tank.
Electric storage tank type hot water heaters are often fitted with two thermostats one at the top and one at the bottom of the tank.
Keep in mind that the thermostat is factory preset to a recommended temperature and changing the setting may increase the potential for serious burns.
The dip tube takes cold water in at the top of the tank and brings it to the bottom preventing it from mixing with the hot water.
And most tankless water heaters feature a display with a temperature readout and controls.
How to set the upper and lower thermostats on dual element water heaters.
This delays the hot water recovery at the top of the tank and means the faucet temperature starts at 140 degrees but then drops to 130 degrees which can be annoying for adjustment at the faucet.
In the case in which the upper thermostat is 140 and the lower is 130 the upper element heats the entire tank to 140 degrees and the lower element.
Eventually the cold water mixes with the hot lowering the temperature to below the lower thermostat setting and the bottom element is energized.
Many modern homes come with dual element water heaters.
Step 1 before you make an adjustment to the water heater check the temperature of the hot water as it comes out of a faucet closest to the water heater.
With each 10ºf reduction in water temperature you can save between 3 5 in energy costs so now is a good time to check the temperature on your electric water heater.
A dual element water heater uses two heating elements controlled.
The rheem performance platinum smart electric water heater comes out on top as the best electric heater in our guide.
Turn the power to the hot water heater off by tripping the relevant breaker switch on your home s electrical panel.
As hot water is drawn from the top of the tank the dip tube delivers cold water to the bottom of the tank see figure 3.
