Thermostat Hot Water Heater Electric

Testing is the only option if you want to determine whether or not one or both of them has failed.

Thermostat hot water heater electric.

If the thermostats are okay you need to test the water heater elements. 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. Many modern homes come with dual element water heaters. Electric water heaters are high voltage 240 volt appliances that are dangerous to work with when the power is on.

Rheem protech upper thermostat for electric water heaters model sp210246 23 59 23 59. How electric water heater thermostats work. An electric water heater has one or two thermostats depending on the gallon size of the tank. If the hot water heater is not working one of the thermostats may be bad.

The thermostats regulate the temperature of the water by turning off and on the heating elements. 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. Reliance water heater 100109136 electric water heater plumber repair pack includes 1 each upper thermostat 4 5 out of 5 stars 145 38 13 38. The top element heats the water first and then the bottom element kicks in.

A dual element water heater uses two heating elements controlled. 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. An electric water heater thermostat tells the heating elements when to heat up. The elements do not heat up at the same time.

Free delivery with 45 order. Set your store to see local availability add to cart. How to set the upper and lower thermostats on dual element water heaters. 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.

Most electric hot water tanks have two elements and two thermostats. Smith signature premier 50 gallon tall 10 year limited 4500 watt double element electric water heater with hybrid heat pump item 816193 model hp10 50h45dv. Electric water heaters have one or two elements and each is controlled by a thermostat.