Stiebel Eltron Tempra 24 Plus Electric Tankless Water Heater, 24kW, 240V
Condition: New
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At a glance
- Condition
- New
- Size
- 24 (kW)
- Style
- Tempra Plus
- Model
- 24 Plus
- Weight
- 16.1 lb
- Color
- White
- Material
- Copper
Features 5
- CONTINUOUS FLOW Advanced Flow Control patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. Itll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again
- SPACE & ENERGY SAVER Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically control water flow. Savings monitor even shows how much you save on energy costs
- EASY OPERATION Electronic switch activates the hot water heater and its noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work
- TEMPRA 24 PLUS This specific model is 24kW, 240V, requires a min recommended electric service of 150 A, and offers an output water temperature of 68 to 140F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels, Tempra Plus tankless water heaters can be set to limit the maximum hot water temperature to 109F. This can be important in some installations to prevent the possibility of scalding.
- WARRANTIES INCLUDED Stiebel Eltrons top-rated electric tankless water heaters perform with the highest standards for comfort and reliability. Our 7-Year Leakage and 3-Year Parts Warranties are included with purchase
Description
Get hot water for your entire home with this Stiebel Eltron Tempra 24 Plus Tankless Electric Water Heater. Made in Germany with a 100 years of engineering excellence, this energy-efficient heater delivers up to 34% savings on water heating costs with 99% efficiency. Featuring exclusive German-patented technology that automatically maintains desired temperatures even during high demand. Every family member enjoys the perfect shower without disruption. Self-modulating technology continually adjusts to ensure the minimum electricity is used. The sleek, compact design installs easily and requires no venting. Whether it's morning showers, laundry, or dishes, you'll always have hot water when you need it. Tempra 24 Plus provides hot water at a constant temperature for up to 2 showers in warm climates, or 1-1.5 showers in cool climates. See sizing guide to determine which model is best for you. Stiebel Eltron invented tankless electric water heating technology over 100 years ago and remains the industry pioneer with unmatched German engineering excellence.
Specs 24
| Brand | Stiebel Eltron |
|---|---|
| Power Source | Hard Wiring Required |
| Special Feature | LED Display |
| Color | White |
| Wattage | 24 KW |
| Special Features | LED Display |
| Voltage | 240 volts |
| Maximum Temperature | 140 °F |
| Heat Output | 24 KW |
| Efficiency | Energy Efficient |
| Maximum Pressure | 150 psi |
| Mount Type | Wall |
| Item Weight | 16.1 pounds |
| Style Name | Tempra Plus |
| Brand Name | Stiebel Eltron |
| Model Number | 24 Plus |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Manufacturer | Stiebel Eltron |
| UPC | 040232668616 |
| Global Trade Identification Number | 16 |
| Item Type Name | Water Heater |
| Manufacturer Part Number | 239222 |
| Material Type | Copper |
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Frequently asked questions
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Amazing water heater!
Size: 24 (kW)
Style: Tempra Plus
Love the water heater. It has been great, easy install and reliable! I did have an issue a couple years after installing it so called there tech support and I got sent to an actual person and someone obviously from the states that speaks English! Incredibly helpful and resolved my issue! Cant say enough good things!
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Reviewed in the United States on July 30, 2026 by Joe Miller
Perfect Temperature, Stable Hot Water for hours
Size: 24 (kW)
Style: Tempra Plus
When my large 80 gallon water heater started to show it's age after 18yrs of service it was time to change it out. After a lot of research and comparing models this was the best with all the features that i wanted. There is no difference in the time the hot water is turned on (still have to wait the same amount of time as with traditional tank hot water) and once the hot water reaches the faucet it stays hot. We have had a number of pool parties and when dinner time hits and it's time to shower (we have three showers) and all three are using hot water, this just produces hot water and never runs cold. We have taken those hour long showers after a hard day, and it never goes cold. we have filled up a hot tub with 130 degree water as a stress test with 450 gallons of hot water, and this just keeps on putting out hot water. No leaks since we have installed it a year ago since this review. Electric bill also shows a savings since it is only using power when heating water not like a big tank of hot water that is always keeping it hot even when your not using. especially noticeable when you go out for a weekend getaway and you are not using hot water. but as soon as you need hot water it is there on demand and much more efficient. As you can see i have mounted this on the wall, as high as i could go, and the now additional space in the garage is a very welcome discovery and the garage "looks" bigger with out that big tank taking up space on the garage floor that can be utilized now.
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Reviewed in the United States on September 18, 2020 by Peter W
Fantastic Tankless Electric Water Heater
Size: 24 (kW)
Style: Tempra Plus
The Tempra PLUS line is fantastic. It maintains a constant water temperature and adjusts flow rate if necessary. Be sure to check the charts on the manufacturer's website to help you decide which model to purchase (based on winter incoming water temps where you live AND the demand for hot water including number of faucets and appliances that are likely to demand hot water at the same time). This unit exceeds my expectations and I have endless hot water only when it is needed.
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Reviewed in the United States on September 26, 2025 by Amazon Customer
Efficient - Easy Install
Size: 24 (kW)
Style: Tempra Plus
Installed June 2022 INSTALL NOTE - I am not a plumber and this stretched my mechanical DIY-er mentality, but I did install this on my own: be careful if you choose to install this on your own. I chose NOT to do the electrical upgrade required on my own - the risk of not getting that right was too high, so I paid my electrical contractor to upgrade the box for the 3 x 50 amp breakers - NO REGRETS! I knew my 55 gal standard electric water heater was not going to last much longer due to the units age AND the fact our local city water is awful with calcium and build up. I researched the available setups and units ad nauseum, and went with this unit: the brand recognition and reputation, the size due to our house and expectation that we will eventually sell it. When I bought this unit, it was one of the larger of its type and was actually cheaper than if I went with a standard water heater to match the one I was getting rid of. First, the drop in electric usage has about paid for 50% of the unit cost over the last year - yeah, THAT MUCH! Results will vary I am sure, but its just my wife and I in 2200 sq ft house, so the fact it runs "on demand" just makes sense. Another way to measure savings: I am all electric in this house and during extreme seasonal weather I could easily see a monthly electric bill $250-300, using either my heat pump or my additional heat source in the house. I have yet to see a monthly bill above $180 (Ohio weather from summer 90s down into the single digits in the winter). The temp control is amazingly simply - we found 115 works fine and can take a long hot shower. But I can walk out and dial it up or down if I chose. The install (outside of the electric) was not too bad. I have PEX plumbing in my house, so it was a no-brainer to use that with the majority of this project. I spent the money to buy heavy brass shot off valves (probably overkill) for the IN/OUT inlets on this unit. It will make a difference if I ever have to repair or replace the unit: I can easily isolate the unit from the flow of water. Assuming we will move in the future, I will be looking for a house that either has a tankless or can be upgraded to tankless: its a great decision and works amazing.
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Reviewed in the United States on April 16, 2023 by E L McCrory
Heats Water Quick...BUT BE PREPARED!!!!!!!
Size: 24 (kW)
Style: Tempra Plus
Amazon Review Product: Stebo Electron Tankless Water Heater Temperature 24+ Electric On-Demand Water Heater Rating: 3 out of 5 stars Headline: Simple but expensive to install Review: The Stebo Electron tankless water heater is a simple and sleek design that heats water on demand, saving energy and space. However, it is important to note that installation can be expensive, especially if you need to upgrade your electrical service. I installed the Stebo Electron in my home five months ago and, for the most part, it has worked well. The water heats up quickly and consistently, and I have not had any problems with running out of hot water. However, there have been a few times when the water has not gotten as hot as I would like. One of the biggest drawbacks of the Stebo Electron is the cost of installation. I had to hire an electrician to upgrade my electrical service to support the water heater, which added an additional $1,500 to the cost of the installation. Another thing to keep in mind is that the Stebo Electron requires a water filter to protect it from sediment and other impurities. The filter needs to be replaced every six months, which adds to the ongoing cost of owning this water heater. Overall, I am satisfied with the Stebo Electron tankless water heater. It is a simple and efficient way to heat water, but it is important to be aware of the high cost of installation and the need for a water filter. Pros: Heats water on demand, saving energy and space Simple and sleek design Consistent hot water delivery Cons: Expensive to install, especially if you need to upgrade your electrical service Requires a water filter that needs to be replaced every six months INfo Water has not gotten as hot as I would like on a few occasions, But that could be my shower location. Recommendation: I recommend the Stebo Electron tankless water heater to homeowners who are looking for an energy-efficient and space-saving way to heat water. However, it is important to be aware of the high cost of installation and the need for a water filter.
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Reviewed in the United States on September 19, 2023 by Zingali Family
Great Quality, Easy Installation, Small Size
Size: 24 (kW)
Style: Tempra Plus
We love our water heater. Just finished our new home and moved in. 5 days now of showers and the heater works instantaneously just as advertised. I did my own plumbing and electrical so we handled everything required for our unit. Ours has 2 heating elements so we ran 2 each of 6-2w ground on 50 amp breakers to the unit. Instructions were clear and concise. We talked to a supply house that sells this brand as well as my brother-in-law plumber who uses these. They have never had a call back on this brand. Another aspect I love is that the electric bill stops as soon as you shut the faucet off. There isn’t a continuous heating of a tank full of water while not in demand.
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Reviewed in the United States on October 5, 2024 by Bob M.
Works great! Love it
Size: 24 (kW)
Style: Tempra Plus
I like how compact it is. It takes up a fraction of the space of my previous water heater. Very high quality and almost silent. Heats water very fast and it is super easy to use the settings. I drilled a hole through the back of the unit to run my electrical wire right into the box from inside the wall. Installation of the box itself was easy. The hard part was running 2 8 gauge wires through the wall and attic and back down into my electrical box. After that was done, I plumbed up the unit with corrugated stainless steel pipe and the brass isolation valves to perform the yearly descale.
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Reviewed in the United States on July 3, 2024 by Doreen Martinez
Great product and worth the money.
Size: 24 (kW)
Style: Tempra Plus
First will say the only Con so far is when looking on here at the specs it actually calls for heavy wire the. What the manual said. I ordered my material also for the install when got it. Pros are easy to install and setup up, gets hot really fast and maintains temperature for as long as you need, and dropped are bill to the point in a year it has paid for itself plus you can write it off on taxes. I am a handyman/DIY with an electrical background so I did self install so would say hiring a professional is a must unless you have common knowledge of the trades needed. This would probably take longer to see savings than myself.
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Reviewed in the United States on May 9, 2024 by DP