Electric Hot Water Heater Thermostat

A dual element water heater uses two heating elements controlled.

Electric hot water heater thermostat.

An electric water heater thermostat tells the heating elements when to heat up. 110v 120v electric mini tank hot water heater storage 1 5kw kitchen household compact size point of use hot water output of 2 5 gallon 2 pcs 16 long 1 2 fip stainless steel water hoses gfci plug. If the hot water heater is not working one of the thermostats may be bad. Testing water heater thermostats is important in locating water heater problems.

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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. How to set the upper and lower thermostats on dual element water heaters. Many modern homes come with dual element water heaters. How electric water heater thermostats work.

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. When it goes bad you don t have any hot water at all. The upper thermostat controls both the upper and lower element. This article deals with thermostats on electric 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.