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    • #285268
      Avatar photoBusyDad

        my water heater seems to put out real hot water for a short time. then gets cold quick. checked voltage at elements, top was 240v , bottom was at 75v.. what is my next check?

      • #303283
        Avatar photobarry

          Q. Why does my water heater run out so quickly now?A. Several things could happen. First check the shower head volume if showers are too quick. A new shower head puts out about 2.5 gallons a minute. Some older heads put out 5 gallons a minute. Working with the shower head would double shower length in this case.In some cases, the dip tube on the cold water inlet has broken or worn. When this happens, it creates a short loop for the water, water at the bottom half of the tank will not be used.On electric water heaters, they commonly have two heating elements that work in turns. First the top element heats up the top of the tank, then power goes to the lower element. If the lower element is out, only the top of the tank gets heated. If the top element isnt working, there will be no hot water.Sometimes the Reset button needs to be pushed or reset. If this doesnt get the element working, use a continuity tester to determine if the element has shorted out. Replacement of the element may be needed. Terry Love http://www.terrylove.com/wh.htm

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