Check Water Heater Thermostat Continuity
You will also need to check the water heater thermostat with digital multimeter tools.
Check water heater thermostat continuity. To do this you will need an analog or digital multimeter. I will see you soon on the next interesting topic. An electric water heater uses one or two heating elements to heat the water inside the tank. If you want to test a thermostat on an electric water heater you will also need to check the heating element.
Here are the steps to follow while measuring the voltage of your heaters thermostat. We need to check the thermostats for continuity. Working with electricity is very dangerous and can kill you. At times the water from your electric heater could be cold and the heater not functional despite the power being on.
The meter will indicate an open circuit by displaying ol on its liquid crystal display lcd for a good thermostat that has normally open no contacts or it will display zero 0 00 ohms for a good thermostat that has normally closed nc contacts. How to test a water heater element with a multimeter. To look for faults you will need to use a screwdriver. Measuring the voltage of a water heater thermostat using a digital multimeter.
When a water heater no longer produces hot water. And if that is not the case your water heater s thermostat is damaged. This is important especially as open and grounded heating elements result in inaccurate tests. Clip one of the test leads from your dmm to each terminal on the thermostat.
The meter should be showing zero if terminal has continuity. An electric hot water heater has two thermostats controlling two separate heating elements one in the upper half of the tank one in the lower half. I hope my tutorial on how to test water heater thermostat will come in use and you ll be able to figure out the problem without any trouble. How to test a water heater thermostat for continuity step by step.