If your electric hot water heater is slow to heat, runs out of hot water faster than it used to, or doesn’t deliver any hot water at all, there’s a 90 percent chance that simply replacing one or both of the heating elements will solve the problem. Water heater repairs are straightforward, and replacement elements are inexpensive ($8 to $20) and readily available at home centers, hardware stores and appliance parts dealers.
We’ll show you how to test the heating elements, remove one if it’s bad, and install a new one. Just keep in mind that water heaters have a typical life span of 10 to 15 years. If your heater is approaching old age, replacement may be smarter than repair.
Learn how to regulate your water heater here.
Other Causes of Water Not Getting Hot
Of course, there are other potential causes of a lack of hot water. Before you test the elements, check to make sure the circuit breaker is on and not tripped. Also press the reset button on the high-temperature cutoff located just above the upper thermostat. Resetting either the circuit breaker or the high-temperature cutoff may resolve the problem, but the fact that they were tripped in the first place may indicate an electrical problem. If they trip again, test the heating elements.
If the heating elements are good, the problem could be with the thermostats or cutoff switch. Testing is complicated, but since they’re inexpensive—about $20 for both thermostats and the cutoff switch—you could simply try replacing them.
Video: How to Test Your Water Heater Element
Remove the Cover Plates
- Turn off the power at the circuit breaker.
- Remove the metal covers to expose the thermostats and elements.
- Pro tip: Make sure the power is off by touching the electrical connections with a noncontact voltage detector.
Article source here: DIY Water Heater Testing and Repair
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