Electric Hot Water Heater Thermostat Troubleshooting

If the hot water heater is not working one of the thermostats may be bad.

Electric hot water heater thermostat troubleshooting. The water could be hot enough to cause burns or it could lead to. 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. See troubleshooting electric hot water heaters or water heater element testing for other related topics. Ran out of hot water.

Electric water heaters are high voltage 240 volt appliances that are dangerous to work with when the power is on. The lower thermostat just controls the 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. Electric water heaters usually have two thermostats and to heating elements.

If you are planning to fix the water heater yourself here are the steps to guide you through. Troubleshooting an overheating electric hot water heater. Not the microprocessor types that are starting to appear in stores. Depending on the gallon size of the tank an electric water heater consists of one or two thermostats which regulate the temperature of the water.

Troubleshooting the thermostat on a hot water heater. When the upper element works and the lower one does not you have a low supply of hot water. Electric water heaters have one or two elements and each is controlled by a thermostat. Scalding hot water from a tap presents a serious problem for homeowners.

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.