Water Heater Upper Thermostat

Reliance 9000507 045 lower electric thermostat black 4 7 out of 5 stars 252.

Water heater upper thermostat.

These water heaters often have a non simultaneous design which means that only 1 heating element is on at any given time. The majority of electric water heaters have two thermostats. Electric water heaters have a lower and upper thermostat one for each heating element. The upper thermostat controls both the upper and lower element.

You can test them with the power off using an ohmmeter to measure resistance or with the power on using a voltmeter to measure voltage. When it goes bad you don t have any hot water at all. Many modern homes come with dual element water heaters. The upper thermostat is the primary one that contains the high limit switch and the lower thermostat is used to detect the change in the temperature of the water.

If the hot water heater is not working one of the thermostats may be bad. An upper and a lower located under two control panels. Rheem gas control thermostat natural gas model sp14270m part ap14270. How a bad thermostat causes your water heater reset button to trip.

When the water has cooled off the thermostats kick on the heating elements to heat the water. And once the water has. Adjusting an electric hot water heater temperature thermostat setting. Adjusting an electric hot water heater temperature thermostat setting is a little more involved but still relatively easy.

The upper element heats the upper portion of. Testing water heater thermostats is important in locating water heater problems. To test you will need a multimeter and screwdriver. Since most electric water heaters use both an upper and lower element the process outline below is for them.

Rheem uv11699 therm o disc upper thermostat electric water heaters 3 9 out of 5 stars 7. Testing the upper thermostat. You can pick up a good inexpensive multimeter online or any local hardware store. Electric water heaters have one or two elements and each is controlled by a thermostat.

A dual element water heater uses two heating elements controlled by two separate thermostats. The thermostats are responsible for controlling the heating 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. It s not necessary that both thermostats will do the same work their work can vary according to the water heater unit.

This type of thermostat is for use in 2 element water heaters. Testing the thermostats on a dual element water heater.