Testing electric water heater thermostat?
I am handy with a volt/ohm meter, so if I have good directions, I can do this safely.
How do I test an electric hot water heater thermostat to determine if it is functioning properly or working at all?
When you use that piece of test gear, use the volt setting. The thermostat is operating properly when it is closed and you have zero IR drop across the contacts. The power should read 240 volts across the element. If you secure the power and then read