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Upper Thermostat for Marathon Electric Water Heaters

$1899
  • Compatible with Rheem Marathon Electric Water Heaters
  • For use in 2-element Water Heaters, Upper Thermostat
  • Manual Reset prevents overheating
  • View More Details
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Product Details

This Rheem Marathon Upper-Element Thermostat is specifically designed to be used as the upper thermostat in a Rheem Marathon residential electric water heater. These water heaters often have a "non-simultaneous" design, which means that only 1 heating element is on at any given time. This type of thermostat is for use in 2-element water heaters.
  • Fits Rheem Marathon residential water heaters only
  • For use in 2-element Marathon water heaters
  • Temperature-sensitive bi-metal disc delivers snap action to the contacts
  • Speed and force of contact separation provide a long-lasting, dependable performance at high electrical loads
  • Durable metal and plastic construction
  • Manual reset switch helps prevent overheating
  • UL and CSA listed for safety
  • 1 year limited warranty
  • Works on Models: MR40245, MR50245 and MSR50245
  • California residents see Prop 65 WARNINGS
  • Call 1-855-400-2552 before noon for same-day installation service in most areas, or visit our Water Heater Installation page for more information.
  • Return Policy
  • California residents
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Specifications

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Questions & Answers

28Questions
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Q:Does this work on a Rheem MHD85245? If not what thermostat does?
by|Jul 24, 2023
1 Answer
Answer This Question

A:  Hi Robert and thank you for your question. The correct parts - SP1082-003 Description: Upper Thermostat w/ ECO / SP1079-004 Description: Thermostat - Electric

by|Jul 26, 2023
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    Q:Will this work on a Bradford White 40 gallon electric hot water heater. The number on my thermostat is 59T 4100. This one says 59T 4195. Can you tell me if there is a difference. The pictures look the same.
    by|Feb 24, 2023
    1 Answer
    Answer This Question

    A:  Hi Michel and thank you for your question. Please call 800-334-3393.

    by|Feb 27, 2023
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      Q:Does this work on Marathon MR105245?
      by|Feb 1, 2023
      1 Answer
      Answer This Question

      A:  Hi Rick and thank you for your question. The part you listed Works on Models: MR40245, MR50245 and MSR50245.

      by|Feb 3, 2023
        1 found this answer helpful
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        Q:Will this work for Rheem Marathon Model# MR40238?
        by|Sep 25, 2022
        1 Answer
        Answer This Question

        A:  Hi Wondering and thank you for your question. The SP210245 is the correct part number.

        by|Sep 26, 2022
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          Customer Reviews

          4.7 out of 5
          (42)
          • 4.7
            out of 42 reviews
          • 73% recommend this product
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          Showing 1-10 of 42 reviews
          Excellent easy service...
          Excellent easy service
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          Seems to be working fine....
          Seems to be working fine.
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          • Verified Purchase
          Protech Upper Thermostat Marathon water heater
          This part was the exact replacement part I needed, took maybe 5 minutes to install.
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          • Recommended
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          Easy to find the part on your web site and...
          Easy to find the part on your web site and delivered in the time frame indicated
          by
            Perfect fit for my marathon 85 gallon tank in spite...
            Perfect fit for my marathon 85 gallon tank in spite of other “expert” reviewers. Don’t believe everything you read in these reviews.
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                  Rating provided by a verified purchaser
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                  Showing 1-10 of 42 reviews