Drain the water from the water heater.
Test heating element water heater.
Locate the water valve at the bottom of the water heater.
Touch one probe of the multimeter to each terminal on the lower thermostat.
1 turn off the circuit breaker supplying power to the hot water heater.
The water in the heater should be lukewarm or colder.
Set your multimeter to the lowest setting for ohms of resistance.
This is the most important step you should always take while testing or cleaning any kind of.
Determine which of the two heating elements in your water heater could be the problem by turning on the water at.
Use the screwdriver to set the lower thermostat to the highest setting.
You will also need to check the water heater thermostat with digital multimeter tools.
Turn off electrical power to the water heater you should have done this earlier if you read the instructions above.
If it has a disconnectable plug unplug it.
If you want to test a thermostat on an electric water heater you will also need to check the heating element.
Attach a garden hose.
Using the multimeter 1.
The reading on the multimeter should be zero.
Leave the upper thermostat in the lowest setting and test the lower thermostat.
If the heater is an electric unit.
Each of a hot water heater s elements has 2 electrical wires.
To test the heating element you ll have to first remove the cover of the panels where the heating.
All the tests that you.
The lower thermostat has only two terminals.
To look for faults you will need to use a screwdriver.
This is important especially as open and grounded heating elements result in inaccurate tests.
If the water heater is hot run hot water in the building with.
Steps for water heater element testing turn the breaker off.
Place the remaining probe against the metal base attached to the element where it.
Disconnect the water heater from power source.
If it does not have a.
See the test steps given in the article below.
Touch each screw with one of the multimeter probes.
Turn off the breaker switch to the hot water heater at the breaker box.
Wait for the.
Make sure you test both screws on the face of the element.
Testing a water heater heating element 1.
A multimeter is a tool used to measure electrical.
Testing hot water heater elements is an easy project that even a beginner can master in a few minutes.