Electric Water Heater Thermostat Troubleshooting

See troubleshooting electric hot water heaters or water heater element testing for other related topics.

Electric water heater thermostat troubleshooting.

An electric water heater that s leaking from the bottom is typically because of normal condensation a leaking electric heating element gasket or a small amount of water being expelled through the overflow pipe because the t p valve is opening to release excess pressure in the tank. Before checking any electrical parts of a water heater shut off the power to the heater s circuit by turning off the appropriate breaker in your home s service panel breaker box. Not the microprocessor types that are starting to appear in stores. An electric thermostat is set at the factory and not.

The lower thermostat just controls the lower element. If you touch any bare wires or terminals you will receive a severe shock that can be deadly. This will supply 240 volts to the heater. Further it does not discuss gas or propane fuel types nor plumbing related issues.

When the upper element works and the lower one does not you have a low supply of hot water. Troubleshooting an overheating electric hot water heater. If the hot water heater is not working one of the thermostats may be bad. Several types of electric water heater issues can cause problems with water temperature.

Electric water heaters are high voltage 240 volt appliances that are dangerous to work with when the power is on. You can easily repair and replace if necessary the controls and heating elements of most common residential 120 208 and 240 volt electric water heaters with traditional line voltage controls. Scalding hot water from a tap presents a serious problem for homeowners. 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.

Ran out of hot water. The water could be hot enough to cause burns or it could lead to. Electric water heaters use either 120 or 240 volt power 240 volts is more common to energize metal heating elements that protrude into the water heater tank through the side wall. Troubleshooting thermostats in a hot water heater requires that the power be turned back on.

Extreme caution is required. Symptoms can range from no hot water to inadequate hot water to water that s too hot. How electric water heaters work.