Checking Heating Element Water Heater

If it has a disconnectable plug unplug it.

Checking heating element water heater.

How to check a heating element in a water heater step 1. Disconnect the water heater from power source. How to check heating elements in hot water heaters. Place the remaining probe against the metal base attached to the element where it enters the water heater.

If the water heater is hot run hot water in the building with the water heater electrical power off until water flows lukewarm or colder. If you want to test a thermostat on an electric water heater you will also need to check the heating element. Turn off the circuit breaker supplying power to the hot water heater. If it does not have a.

Testing a water heater heating element 1. The lower thermostat has only two terminals. Attach a garden hose. Use the screwdriver to set the lower thermostat to the highest setting.

The reading on the multimeter should be zero. Remove the rectangular shaped cover plate running up the front of the heater to get access the. All the tests that you will perform will be done with the power turned off. Disconnect the electrical wires at the heating element terminals.

Locate the water valve at the bottom of the water heater. This is so whether testing upper or lower heating element. Wait for the. This is important especially as open and grounded heating elements result in inaccurate tests.

Drain the water from the water heater. Leave the upper thermostat in the lowest setting and test the lower thermostat. Remove 1 wire it doesn t matter which one by finding its loose end and unraveling it from around the metal element. If the heater is an electric unit.

The element is bad and must be replaced if the needle on the face of the multimeter moves. To look for faults you will need to use a screwdriver. Turn off the breaker switch to the hot water heater at the breaker box. Determine which of the two heating elements in your water heater could be the problem by turning on the water at.

Touch one probe of the multimeter to each terminal on the lower thermostat. Each of a hot water heater s elements has 2 electrical wires running to screws that hold the element in place.