Replace the heating element or thermostat.
Electric hot water heater heating element replacement.
In an electric water heater the bottom heating element is the workhorse since it is at the bottom of the tank where cold water enters from a dip tube that extends down through the tank.
There s an upper element which is located behind the upper access panel and a lower element.
Make sure that the power is connected.
This screw in fold back water heater element is made this screw in fold back water heater element is made of the highest grade nickel and stainless steel and heats in lime and sand buildup that would burn out ordinary elements.
Detailed instructions and a gasket are included with each packaged element.
Check the following when your water is not hot enough.
Flush the heater to remove sediment from the tank.
The upper heating element really only contributes when there is a high hot water demand and only serves to heat water in the upper portion of the tank.
Water heater elements keep electric water heaters in good repair.
Electric water heaters have 2 heating elements.
Raise the temperature setting on the thermostat.
Insulate the hot water pipes.