Electric Water Heater Thermostat

This diy repair guide explains how to replace the thermostat in an electric water heater.

Electric water heater thermostat.

You can pick up a good inexpensive multimeter online or any local hardware store. Many modern homes come with dual element water heaters. 3 thermostats that work. A dual element water heater uses two heating elements controlled by two separate thermostats.

1 water in the tank. The top element heats the water first and then the bottom element kicks in. Each element is controlled by a hot water heater thermostat that turns it on when the water temperature falls below its cut in setting and turns it off when the water temperature exceeds its cut out setting. I have an electric water heater that isn t working a.

If the thermostat stops working the element either won t come on at all and the water is cold or the element stays on too long and the water is scalding. Testing is the only option if you want to determine whether or not one or both of them has failed. Working of a thermostat in general there are three main components in an electric water heater. 2 electric power to your heater.

The elements do not heat up at the same time. Reliance water heater 100109136 electric water heater plumber repair pack includes 1 each upper thermostat 4 6 out of 5 stars 153 36 10 36. One is the heating element second is the power switch to avoid overheating problem and the last one is the thermostat. As soon as i turn the unit on it shuts off after being on for just a.

The thermostat turns the heating element on and off to maintain the water temperature. 4 elements that work. I replaced the thermostat in my tiny titan water heater. See testing electric water heater elements for more information.

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. If you have an electric water heater it uses one or two resistive elements to heat the water. To test you will need a multimeter and screwdriver. If the thermostats are okay you need to test the water heater elements.

An electric water heater thermostat tells the heating elements when to heat up. Testing the upper thermostat. The upper element heats the upper portion of. Testing the thermostats on a dual element water heater.

Mainly the thermostat is used to adjust the temperature of water for different purposes. 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. For a water heater to work you need the following.