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Model #

Tempra 24 Plus

Store SKU #

1003801485

Tempra 24 Plus Adv Flow Control and Self-Modulating 24 kW 4.68 GPM Residential Electric Tankless Water Heater

$684.04
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  • Helps deliver steady water temperature in varying flow rates
  • Advanced Flow Control maintains the temperature by reducing flow
  • Self-modulating technology uses minimal energy to heat the water
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Product Details

Powerful output, compact design, remarkable energy-saving features. Our whole house electric tankless water heaters perform with the highest standards for comfort and reliability. Tempra Plus models feature Advanced Flow Control, patented in Germany and exclusive to Stiebel Eltron tankless heaters. If hot water demand exceeds working capacity, Advanced Flow Control automatically maintains consistent temperatures by slightly reducing flow. Intelligent self-modulating technology continually ensures the least amount of energy is used to heat the water. A Tempra 24 Plus provides hot water at a consistent temperature for up to 2 bathrooms in warm climates, or 1-2 bathroom in cool climates. See sizing to determine which model is best for you. Stiebel Eltron invented tankless electric water heating technology more than 90 years ago, and is still the industry pioneer and world leader. Our engineering and manufacturing tradition of excellence means you can depend on the performance and reliability of our products.
  • Tempra tankless electric water heaters must be correctly sized and you should consult the sizing guide to determine the correct model for you
  • This Tempra Plus model has German patented Advanced Flow Control that automatically reduces output flow to maintain temperature if demand temporarily exceeds capacity
  • Requires a minimum of 150 Amp total service to the residence, with 2 separate dedicated 50 Amp DP breakers and 2 separate runs of 8-gauge copper wiring for the Tempra 24 Plus itself
  • Requires 240 Volt or 208 Volt electric service, and has a maximum output of 24,000 Watts at 240 Volts or 18,000 Watts at 208 Volts
  • Supplies endless hot water at a constant and steady temperature from 68 to 140°F (20-60°C) that can be set on the front panel digital display
  • Flow rate you achieve from this or any tankless water heater depends on how powerful the unit is and the temperature difference between the incoming cold water and the hot water being delivered
  • 99% efficient and typically result in savings of 15-20% in comparison with electric tank water heaters
  • Smart microprocessor technology unique to Tempra water heaters delivers steady water temperature even when flow rate vary as taps are adjusted
  • Must be installed vertically, water fittings pointing down, with detachable connections such as braided flex connectors to allow periodic filter cleaning and flushing for scale, and an anti-scale filter is recommended if hard water is present
  • Professional installation recommended
  • Click here for more information on Electronic Recycling Programs
  • Return Policy
  • California residents
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Specifications

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Questions & Answers

76Questions
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Q:What is the manufacturer SKU for this item
by|Jun 7, 2023
1 Answer
Answer This Question

A:  239222

by|Jun 7, 2023
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    Q:What size electric tankless water heater do you need for a Faily of four
    by|Jun 3, 2023
    1 Answer
    Answer This Question

    A:  Typically you would look at the Tempra series and depending on the incoming water temperature and flow rate you need, the Tempra 24 - Tempra 36 Plus units. I would suggest calling Stiebel Eltron Technical Support for help on this matter at 1-800-582-8423 Ext 6 Thank you.

    by|Jun 10, 2023
      1 found this answer helpful
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      Q:If I don?t have any closet space would it be safe to Install on an interior wall of a bathroom?
      by|Jun 3, 2023
      1 Answer
      Answer This Question

      A:  This unit can be mounted in many places. As long as it doesn't get wet or freeze, you could mount it in the bathroom. If you have further questions, please contact Technical Support at 1-800-582-8423 Ext 6. They can help you. Thanks!

      by|Jun 4, 2023
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        Q:How on earth do I adjust the water settings
        by|May 26, 2023
        1 Answer
        Answer This Question

        A:  Make sure the front display is snapped together and turn the dial. If you are having issues, please call Technical Support at 1-800-582-8423 Ext 6 for assistance. Thank you

        by|May 26, 2023
          Showing 1-4 of 76
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          Customer Reviews

          4.7 out of 5
          (168)
          • 4.7
            out of 168 reviews
          • 88% recommend this product
          Filter by:
          Showing 1-10 of 168 reviews
          Pretty good
          I installed this together with a soft water system. All worked well and plumber had no issues. We have 3 full bathrooms. Set at 120, water runs pretty hot. No issues with water pressure either. If you don't mind waiting a bit for hot water this tank does the job. Worst here is about 1 minute and only in 1 bathroom.
          by
          Response from Stiebel Eltron SupportJan 25, 2023
          Thank you for your excellent review! Enjoy the endless hot water! JGMasterSTELogin
          • Verified Purchase
          • Recommended
          Tankless water heater
          Selected this model as an upgrade from our last one (also a Stiebel), we had home depot install it, and we couldn't be happier.
          by
          Response from Stiebel Eltron SupportJan 16, 2023
          Thank you for your excellent review!! Enjoy!! JGMasterSTELogin
          • Verified Purchase
          • Recommended
          Best decision ever.
          We replaced a traditional hot water heater with the Stiebel. We were worried the old heater would burst and flood our house. We love this tankless heater. No noise. You would never know it is in the hall closet. Hot water on demand should be the only option for houses. I love it.
          by
          Response from Stiebel Eltron SupportDec 1, 2022
          Thank you for your excellent review and insight!! Enjoy!! JGMasterSTELogin
          • Verified Purchase
          • Recommended
          WIFE LOVES THE ENDLESS HOT WATER
          The Stiebel Eltron Tempra 24 Plus has and is working according to the manufacture's claims. Although, the unit has only been in use for about a week, the installation was easy and the instruction manual very informative. Customer service representatives (Chris in Vermont) have had a very long relationship with Stiebel Eltron and are very knowledgeable of their products. Three things to plan for during installation. 1) YEARLY FLUSHING. 2) HARD WATER FILTRATION. 3) WATER ISOLATION FOR FLUSHING AND FILTER CHANGES.
          by
          Response from Stiebel Eltron SupportNov 18, 2022
          Thank you for your excellent review! Enjoy!! JGMasterSTELogin
          • Verified Purchase
          • Recommended
          1 found this review helpful
          We decided to take a chance on an electric tankless...
          We decided to take a chance on an electric tankless water heater to replace our failing propane water heater in our rural location. So far, the water heater is working well. We live in Northern Utah and the winter water temperature coming into the house is 46 degrees Fahrenheit. We can run two showers at the same time and with our low flow shower heads, the water heater can keep up. Just don't expect it to keep up with body sprayers, etc. in a situation like ours. At 118 degrees Fahrenheit, it takes a bit longer to fill up a bathtub than with our traditional tanked water heater, but that is not a big issue. We have a 200 amp service and the lights dim slightly when the water heater kicks on. There is no flickering, just a slight dimming. This appears to be expected since this is an older home that we had upgraded to 200 amp service. Our wiring, etc. was inspected due to the panel upgrade. It does save a lot of space in the utility room, which is nice. We have yet to check whether we will see any cost savings since it has only been installed for a couple of weeks. The propane water heater was 15+ years old and kicking on several times a day while making kettling sounds. This water heater is only used when we shower or wash dishes in the sink, and is dormant most of the time. With the increase in propane prices, the cost of propane rivals what we are paying for electricity when performing a Kw conversion.
          by
          Response from Stiebel Eltron SupportApr 24, 2022
          Thank you for your excellent review! Sounds like you should enjoy hot water for a long time! Thank you.. JGMasterSTELogin
          • Verified Purchase
          6 found this review helpful
          Tempra 24 Plus in Northern Indiana
          After learning that our 17 year old water heater began leaking while we were on vacation, I starting checking on having it replaced. Plumbers were saying 3-4 weeks to get to my job. I then decided to research tank less heaters. I settled on Stiebel Eltron after reading many reviews and feeling confident that I could install it myself. The day following our arrival home, I started on the project. After 6-8 hours and three trips to the hardware we again had hot water. So far, we love it.
          by
          Response from Stiebel Eltron SupportApr 19, 2022
          Thank you for your excellent review!! Enjoy!! JGMasterSTELogin
            • Recommended
            4 found this review helpful
            Love my new tankless water heater. My previous tankless...
            Love my new tankless water heater. My previous tankless took 5-8 minutes to get water hot. Now it's less than a minute anywhere in the house.
            by
            Response from Stiebel Eltron SupportDec 19, 2021
            Thank you for your excellent review! Enjoy the hot water!! JGMasterSTELogin
              Handled The Game Crowd
              Installation of the unit was very easy. Vendor support line was OUTSTANDING. Unit was able to provide hot water for 7 showers prior to College Game Day and Sunday "recovery".
              by
              Response from Stiebel Eltron SupportSep 22, 2021
              Thank you for your excellent review!! JGMasterSTELogin
                • Recommended
                3 found this review helpful
                This tankless water heater provides a good hot water flow but does not takes up little space.
                This tankless water heater provides a good hot water flow but does not takes up little space.
                by
                Response from Stiebel Eltron SupportJun 3, 2021
                Thank you for your excellent review! JGMasterSTELogin
                • Verified Purchase
                • Recommended
                1 found this review helpful
                Beautiful hot water in Pittsburgh PA End cold suffering
                Why did I wait so long to get one endless hot water the size of a suitcase. Go tankless asap & stop the wait for hot water. Saves energy too
                by
                Response from Stiebel Eltron SupportMar 3, 2021
                Thank you for your excellent review! Enjoy the hot water for years to come!! JGMasterSTELogin
                  • Recommended
                  3 found this review helpful
                  Showing 1-10 of 168 reviews

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                  Ratings
                  (13)
                  (166)
                  (168)
                  (29)
                  Required Volt Connection240 volt240 volt240 volt240 volt
                  Application TypeResidentialResidentialResidentialResidential
                  Wattage (watts)14400 W19200 W24000 W36000 W
                  Indoor/OutdoorIndoorIndoorIndoorIndoor
                  Water Heater FeaturesOverheat Protection,Wall MountedOverheat Protection,Wall MountedOverheat Protection,Wall MountedOverheat Protection,Wall Mounted
                  Fuel TypeElectricElectricElectricElectric
                  Number of Showers1-21-21-21-3
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