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Thread: Thermostats : Dual Element in a Single Element Water Heater

  1. #1
    DIY Junior Member Synicasm's Avatar
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    Default Thermostats : Dual Element in a Single Element Water Heater

    Is it ok to use a Dual Element Thermostat on a Single Element Water heater by just not hooking anything up to the "lower thermostat" connections ?

  2. #2
    DIY Member WorthFlorida's Avatar
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    Why do you think you need a new thermostat? Always change parts with the right/correct part.
    Last edited by WorthFlorida; 11-08-2009 at 04:40 PM.

  3. #3
    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    Quote Originally Posted by WorthFlorida View Post
    Why do you think you need a new thermostat? Always change parts with the right/correct part.
    I would use the upper thermostat. If you use the lower you will have no protection for over heating.

    John

    PS woethflorida I didn't see that you changed your post recommending using the lower element.
    Last edited by johnjh2o1; 11-08-2009 at 05:28 PM.

  4. #4
    Moderator & Master Plumber hj's Avatar
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    Default thermostat

    Find a "solar water heater" themostat. It is for a single element and has the required ECO, but is less expensive than the SPDT upper thermostat. But otherwise, it is okay to use the upper one as long as you connect the element to the "upper element" terminals.

  5. #5
    DIY Member WorthFlorida's Avatar
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    At first I did say a lower thermostat but then I realized that it does not have a built in circuit breaker. I "edited" my first comment.

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