Thermostats : Dual Element in a Single Element Water Heater

Discussion in 'Water Heater Forum, Tanks' started by Synicasm, Nov 5, 2009.

  1. Synicasm

    Synicasm New Member

    Messages:
    1
    Location:
    Oregon
    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. WorthFlorida

    WorthFlorida USCG escorting cruise ship leaving Port Everglades

    Messages:
    126
    Location:
    Lake Worth, Florida
    Why do you think you need a new thermostat? Always change parts with the right/correct part.
    Last edited: Nov 8, 2009
  3. johnjh2o1

    johnjh2o1 Plumbing Contractor for 49 years

    Messages:
    1,143
    Location:
    South*East
    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: Nov 8, 2009
  4. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,032
    Location:
    Cave Creek, Arizona
    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. WorthFlorida

    WorthFlorida USCG escorting cruise ship leaving Port Everglades

    Messages:
    126
    Location:
    Lake Worth, Florida
    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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