Anyone know about hot water heaters?

Discussion in 'The BS Topic' started by 76 camaro car 1, Mar 21, 2021.

  1. John Wright

    John Wright Veteran Member Lifetime Gold Member

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    Make sure that the water heater is actually full of water, and not just air, before you turn the power back on. Those elements won't last but a few seconds without being immersed in water. When you turn the valves back on to refill, go to the farthest hot water spigot away from the heater and open to let the air out and leave open until the gurgling stops and water flows without gurgling, then the water heater should be okay to turn the power back on.
     
  2. 76 camaro car 1

    76 camaro car 1 Veteran Member

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    Thanks to everyone who commented. I checked the elements with my multi meter and have continuity on both coils so I guess they are not my problem. Going to try flushing it when I get off work tomorrow and see what happens. Never knew water heaters needed cleaned out but when I think about it make perfect sense.
     
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  3. COPO

    COPO Veteran Member Lifetime Gold Member

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    If you have hard water, you s/b draining it once a yr. Calcium buildup is not good on the elements. If you never change your car coolant, it’ll be the same. White crap all over clogging the rad tube passages.
     
  4. GoldenOne7710

    GoldenOne7710 Equal Opportunity Offender Lifetime Gold Member

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    Continuity is one thing...but did you check the ohms?
     
  5. tom3

    tom3 Veteran Member

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    Could be the thermostat on the controller. And most (all) heaters have a controller that only allows one element at a time to be on. Possible that the controller is not alternating the elements as needed.
     
  6. Lowend

    Lowend Administrator. .a car, a man, a maraca. Staff Member Lifetime Gold Member

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    Don't get freaked out by the chunks of stuff, there's gonna be a lot of them. It's just mineral build up
     
  7. wnmech

    wnmech Veteran Member

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    Maybe I’ve been lucky I installed my hot water heater back in2002 and have never drained it and knock on wood it still super heats my water. Electric water heaters are very simple it’s either the element or one of the thermostats. Did you disconnect both leads off of the elements before you homed them out?
     
  8. kenny77

    kenny77 Veteran Member Lifetime Gold Member

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    Did you disconnect the wires from the element before testing them?
    Is there power going into the t stat control above the element ? What about the reset button on the stat?
     
  9. kenny77

    kenny77 Veteran Member Lifetime Gold Member

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    Did you test the power going into the thing at the top. Do you have 220 ?
    If that dip tube or pick up tube or supply tube or whatever they call it is indeed rotted off inside there......you're done
     
    Last edited: Mar 23, 2021
  10. sandlapper

    sandlapper Veteran Member

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    clamp-on ammeter will tattle as well; ya don't need a top brand for occasional home diy. $20 at HF will do it.
     

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