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Old 12-27-2007, 07:08 PM   #1
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Water heater element?

Is there a way to check the element of a water heater without draining the darn thing? I ask because one, I HAVE NO CLUE!! LOL But two, my water heater in my apartment is not supplying hot water like it use to and the dumba55 maintance man says it's ok.. There are 2 heating elements and I believe one is bad.
I thought I heard once that if the bottom heating element goes, the top will work, BUT if the top element goes, then the bottom one does nothing....OR vice versa...


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Old 12-27-2007, 08:27 PM   #2
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Basic test is to check each element with an ohm meter with the power off.

Check each prong of the heater element to ground on the case of the water heater. If it shows continuity, the element is shorted.

Then measure across the two prongs on the element to see if you have resistance. No resistance means its bad.

After that you can check thermostats for resistance and see if they turn on/off at all by checking for resistance and turning the setting on the thermostat.

If your getting colder water than normal, a thermostat or element is probably on its way out.


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Old 12-27-2007, 10:06 PM   #3
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To check resistance on an element pull the wires off first so you are reading through the element only.
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