How To Check Water Heater Thermostat With Multimeter

Below are the steps to follow when measuring the current of an electric water heater thermostat using a digital multimeter.

How to check water heater thermostat with multimeter. Touch each screw with one of the multimeter probes. Start safe by turning the power off. How to test an electric hot water heater thermostat. Connect the multimeter pin ends on point 1 2 as shown in the picture below.

If the water is cold the multimeter will point near zero. You need to turn off the. Connect the multimeter pin ends on point c d as shown in the picture below. Turn off the power breaker that powers your water heater.

The access panels are on the side of the electric hot water. If the reading shows the value of 240v then the power is on. In the case of screw terminals loosen the screws with an appropriate screwdriver and remove the wires. Remove the upper and the lower access panels with a phillips screwdriver.

Place the remaining probe against the metal base attached to the element where it enters the water heater. Turn the water heater circuit breaker off inside the main service panel. Set the body of the multimeter on the ground at the base of the water heater. 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.

If your multimeter points near zero then the thermostat is okay. Hold the multimeter prongs to the element screws to test for flow. How to test water heater thermostat using simple tools available at home. Place the prongs of the multi meter on the terminal 1 and red wire of the lower heating element.

Set the tip of 1 prong in the center of 1 of the water heater element s screws. Unless it happens the thermostat has defected. The tools you ll need. Pull out the two panels that protect the thermostat.

Get to your circuit board wherever it is in your house. Now to check the lower thermostat you need to set the dial of the upper thermostat to the minimum and set the lower thermostat to the highest. The element is bad and must be. At the bottom of the electric water heater remove the metal plate to show the thermostat you suspect is faulty.

Likewise take the second prong and hold it to the center of the water heater element s second screw. Disconnect the wires from the thermostat to be tested. Head to the circuit breaker and turn off the power to the thermostat. You will find two types of terminals used with thermostats screw terminals or male female push on terminals.