Electric Water Heater Thermostat Troubleshooting

Also check the reset button on the thermostat the red button located at the top of the thermostat.

Electric water heater thermostat troubleshooting.

Electric water heater thermostats are a fairly simple devices that can fail from time to time. Water in an electric water heater is heated by two heating elements in most cases. The meter should read somewhere between 220 and 240 volts. A thermostat problem is fairly unusual though it s much more likely that a burned out heating element is causing problems.

Troubleshooting the thermostats and heating elements the first step in troubleshooting a hot water heater is to gain access to the areas to be tested. Turn off the power to the water heater in the service panel. To check the thermostat settings. Easily identify the c.

Touch one meter lead to the top screw and the other lead to the metal body of the water heater. The reading should be between 110 and 120 volts. Typically 120 degrees is sufficient for most hot water needs. If you re experiencing this problem it s possible that one or both of your water heater s thermostats is set too high.

You cannot inspect a thermostat with the power turned off. Too much hot water can be almost as frustrating as not enough hot water. See testing electric water heater elements for more information. Turn off the power at the breaker panel.

The water heater thermostat has a dial indicator that allows you to control the temperature of the water. Water heater no hot water heater trips circuit breaker hot water runs out water only warm thermostat reset button popped no power. You would get a shock. The most common reason for absolutely no hot water is that the circuit breaker has tripped and you should first check the breaker box.

To test the lower thermostat turn the top one to its lowest setting and the lower one to its highest setting. However the dial indicator. Hence make sure you don t touch any exposed element or powered component of the electric water heater. Sometimes merely resetting this bottom will cause the heater to begin working again.

When you check different components of an electric water heater you do so after turning off the power. If that s not the cause then the heating elements may have failed and need replacement.