Electric Hot Water Heater Thermostat

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.

Electric hot water heater thermostat.

How electric water heater thermostats work. Rheem protech upper thermostat for electric water heaters model sp210246 23 59 23 59. Free delivery with 45 order. Electric water heater thermostats are a fairly simple devices that can fail from time to time.

Rheem protech upper thermostat for electric water heaters model sp11699 21 62 21 62. 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. 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. Most electric hot water tanks have two elements and two thermostats.

An electric water heater thermostat tells the heating elements when to heat up. If the thermostats are okay you need to test the water heater elements. The top element heats the water first and then the bottom element kicks in. Electric water heaters have one or two elements and each is controlled by a thermostat.

Gas water heaters use a different type of thermostat system. On most gas water heaters the gas control valve which includes both a thermostat and a heat limiting device are located on the outside of the unit near the bottom. Set your store to see local availability add to cart. If the hot water heater is not working one of the thermostats may be bad.

The elements do not heat up at the same time. 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. Gas water heater thermostat replacement.