How To Test Hot Water Heater Thermostat With Multimeter

The element is bad and must be replaced if the needle on the face of the multimeter moves.

How to test hot water heater thermostat with multimeter. If it is you will have a reading of 240v on terminals 1 and 3. If the water is hot enough at appointed temperature the multimeter will point near zero. If the water is cold the multimeter will point near zero. Turn off the power breaker that powers your water heater.

If the reading shows zero then it s safe to proceed. Now let us get started with the following steps on how to test a water heater with multimeter. At the bottom of the electric water heater remove the metal plate to show the thermostat you suspect is faulty. You will also need to check the water heater thermostat with digital multimeter tools.

Below are the steps to follow when measuring the current of an electric water heater thermostat using a digital multimeter. Connect the multimeter pin ends on point 1 3 as shown in the picture below. Likewise take the second prong and hold it to the center of the water heater element s second screw. So how to test water heater thermostat.

You just have to be a little careful to avoid any kind of accident. Move to the thermostat terminals and check if it is supplied with power. To view all our multimeter ranges go to http bit ly 1edndeo in this video josh shows us how to use a multimeter to check for faults in a thermostat. Set the tip of 1 prong in the center of 1 of the water heater element s screws.

You don t need professional skills for this. All you need is some tools screwdriver and multi meter etc. Now use multimeter to check that the power is really off from water heater. Set the body of the multimeter on the ground at the base of the water heater.

You need to touch tops to legs using the connections of a multimeter. And basic knowledge of the replacement. Place the remaining probe against the metal base attached to the element where it enters the water heater. It s very easy to test and replace the faulty thermostat of your water heater.

If the opposite thing happens that means your thermostat has defected. High limit reset button check.