If it does not have a.
Test heating element hot water heater.
Attach a garden hose.
Turn off the breaker switch to the hot water heater at the breaker box.
Place the remaining probe against the metal base attached to the element where it enters the water heater.
Touch one probe of the multimeter to each terminal on the lower thermostat.
This is important especially as open and grounded heating elements result in inaccurate tests.
Use the screwdriver to set the lower thermostat to the highest setting.
Testing hot water heater elements is an easy project that even a beginner can master in a few minutes.
How to check a heating element in a water heater.
Wait for the.
Locate the circuit breaker at the central electric panel that connects your water heater.
If you want to test a thermostat on an electric water heater you will also need to check the heating element.
Hold the multimeter prongs to the.
Disconnect the water heater from power source.
The reading on the multimeter should be zero.
If it has a disconnectable plug unplug it.
Using the multimeter 1.
A multimeter is a tool used to measure electrical.
Leave the upper thermostat in the lowest setting and test the lower thermostat.
This is a very critical step in testing the water element.
Before you start the process of testing the hot water heater heating element you must switch off the flow of electricity by turning off the breaker inside your main electrical panel.
Disconnect from the power source.
Each of a hot water heater s elements has 2 electrical wires.
The lower thermostat has only two terminals.
Determine which of the two heating elements in your water heater could be the problem by turning on the water at the faucet and feeling.
All the tests that you.
Take 1 of the wires off of a water heater element.
You will also need to check the water heater thermostat with digital multimeter tools.
If the heater is an.
To look for faults you will need to use a screwdriver.
1 turn off the circuit breaker supplying power to the hot water heater.
Locate the water valve at the bottom of the water heater.
Set your multimeter to the lowest setting for ohms of resistance.
It is usually situated in the metal box attached to the wall.