Electric Water Heater Thermostat

You can pick up a good inexpensive multimeter online or any local hardware store.

Electric water heater thermostat.

Since most electric water heaters use both an upper and lower element the process outline below is for them. 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. 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. An electric water heater thermostat tells the heating elements when to heat up.

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. Many modern homes come with dual element water heaters. One is the heating element second is the power switch to avoid overheating problem and the last one is the thermostat. A dual element water heater uses two heating elements controlled by two separate thermostats.

For a water heater to work you need the following. I replaced the thermostat in my tiny titan water heater. Mainly the thermostat is used to adjust the temperature of water for different purposes. 2 electric power to your heater.

If the thermostats are okay you need to test the water heater elements. 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. Testing the thermostats on a dual element water heater. 1 water in the tank.

Testing is the only option if you want to determine whether or not one or both of them has failed. I have an electric water heater that isn t working a. The top element heats the water first and then the bottom element kicks in. 4 elements that work.

Testing the upper thermostat. The elements do not heat up at the same time. The thermostat turns the heating element on and off to maintain the water temperature. Electric water heater thermostats are a fairly simple devices that can fail from time to time.

Most electric hot water tanks have two elements and two thermostats. This diy repair guide explains how to replace the thermostat in an electric water heater. 3 thermostats that work. 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.

As soon as i turn the unit on it shuts off after being on for just a. Working of a thermostat in general there are three main components in an electric water heater. The upper element heats the upper portion of.