Electric Hot Water Heater Thermostat Test

Although most of the cases this scenario occurs for the power supply problems.

Electric hot water heater thermostat test.

Structure of water heater. While the other is found right on the bottom. When a lower heating element or thermostat fails the top thermostat and element will continue to heat water in the upper half of the tank but you will notice the hot water quickly runs out or is only lukewarm. Upper thermostat makes it possible for you to have cold water supply when you turn on the tap of hot water.

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. This is important especially as open and grounded heating elements result in inaccurate tests. Remaining always on is the most common issue with electric water heaters. The structure of an electric water heater is pretty simple.

In this case testing the thermostat is a little bit of a technical task but not hard at all. To look for faults you will need to use a screwdriver. Electric water heaters have one or two elements and each is controlled by a thermostat. How to test water heater thermostat this case might happen for the defected thermostat.

Testing is the only option if you want to determine whether or not one or both of them has failed. When a water heater no longer produces hot water. Lower thermostat ensures that the hot water keeps coming and it does not turn cold when you turn on the hot water tap. When an upper heating element or thermostat fails the entire water heater stops producing hot water.

If the thermostats are okay you need to test the water heater elements. The electric heater has a total of two thermostats each performing distinct functions. An electric water heater uses one or two heating elements to heat the water inside the tank. One should be sitting on the top of unit 1.

If you want to test a thermostat on an electric water heater you will also need to check the heating element. And when it comes to thermostats the device uses two of them generally. 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. How to test a water heater element with a multimeter.

If the hot water heater is not working one of the thermostats may be bad.