Testing Water Heater Upper Thermostat

Not sure if this is your problem.

Testing water heater upper thermostat. The thermostat is a commonly replaced part fo. Turn the water heater circuit breaker off inside the main service panel. How to test water heater thermostat diy working of a thermostat. When it goes bad you don t have any hot water at all.

Remove the upper and the lower access panels with a phillips screwdriver. It allows the water heater to power on off automatically while it gains the appointed heating level. If you get the reading of 240v on terminal 1 and. The upper thermostat controls both the upper and lower element.

Use a screwdriver to set the upper thermostat to its highest setting. A water heater repair will be unnecessary if there s another reason why. When an upper heating element or thermostat fails the entire water heater stops producing hot water. Turn off the power to the water heater.

Move to the thermostat terminals and check if it is supplied with power. One is the heating. You are going to use an analog or digital multimeter for this testing. Replacing the faulty.

When a lower heating element or thermostat fails the top thermostat and element will continue to heat water in the upper half of the tank but you will notice the hot water quickly runs out or is only lukewarm. Next turn up the temperature of the upper. Check the power supply of the thermostat. In general there are three main components in an electric water heater.

However if the thermostat has defected the heater does not work correctly. Place the prongs of the multimeter on the terminal 1 and. Either the heater always remains on or it might not get power at all. Okay so the process of testing thermostat isn t really very complicating.

Remove the access panels to the elements along with the insulation underneath. Pull away any insulation that is. This article deals with thermostats on electric water heaters. For thermostats on gas hot water heaters you will need to see the article gas water heater thermostats for more information.

Most of the water heater contains a thermostat to maintain a specific temperature. A continuity test will tell you if the thermostat circuit is open which means you need. How to troubleshoot the water heater electric thermostats preparing for a water heater thermostat test. A thermostat continuity test.

Testing the upper thermostat. Testing water heater thermostats is important in locating water heater problems. This video demonstrates how to test a thermostat on a water heater. Disable the lower thermostat by rotating its dial to the least setting.

How to test an electric hot water heater thermostat step 1. The access panels are on the side of. If it is you will have a reading of 240v on.