Brand | Stiebel Eltron |
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Product Dimensions | 16.54"W x 14.52"H |
Color | Gray |
Wattage | 26000 watts |
Voltage | 240 Volts |
Manufacturer | Stiebel Eltron |
Part Number | 223426 |
Item Weight | 19 pounds |
Country of Origin | Germany |
Item model number | Tempra 36 Plus |
Is Discontinued By Manufacturer | No |
Item Package Quantity | 1 |
Batteries Included? | No |
Batteries Required? | No |
Warranty Description | 7 years leakage/ 3 years parts |
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Stiebel Eltron Tempra Plus 36 kW, tankless electric water heater with Self-Modulating Power Technology & Advanced Flow Control
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Brand | Stiebel Eltron |
Product Dimensions | 16.54"W x 14.52"H |
Color | Gray |
Wattage | 26000 watts |
Voltage | 240 Volts |
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About this item
- Digital temperature control
- Proven reliability. No venting required.
- DRAWS 150 A. Requires minimum 300 A electric service. Dimensions (H x W x D): 14.52" x 16.54" x 4.61"
- Sleek design fits anywhere
- Save at least 15-20% on the hot water portion of your electric bill.Requires 240 or 208-Volt. Reduce water flow rate until power light on front cover stops blinking
Customer ratings by feature
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This Item Stiebel Eltron Tempra Plus 36 kW, tankless electric water heater with Self-Modulating Power Technology & Advanced Flow Control | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $780.77$780.77 | -7% $335.00$335.00 List: $359.00 | $469.99$469.99 | $379.99$379.99 | -11% $624.00$624.00 List: $698.00 | $634.27$634.27 |
Delivery | — | Get it as soon as Tuesday, Mar 26 | Get it as soon as Sunday, Mar 24 | Get it as soon as Sunday, Mar 24 | Get it as soon as Tuesday, Mar 26 | Get it as soon as Tuesday, Mar 26 |
Customer Ratings | ||||||
Temperature Control | 4.3 | 4.8 | 4.0 | 2.9 | 4.4 | 4.4 |
Energy efficiency | 4.3 | 4.8 | 4.0 | — | 4.5 | 4.5 |
Tech Support | 4.1 | 5.0 | 3.8 | — | 4.2 | 4.2 |
Easy to install | — | — | 4.0 | 3.8 | 4.5 | 4.5 |
Sold By | Amazon.com | Amazon.com | THMOS | Sain Store | Amazon.com | Amazon.com |
power source | Battery Powered | Hard Wiring Required | 208~240V Hardwire | Corded Electric | Hard Wiring Required | Hard Wiring Required |
max operate pressure | — | — | 150 pounds per square inch | — | 150 pounds per square inch | 150 pounds per square inch |
material | — | lead free | — | — | Copper | Copper |
style | Tempra 36 Plus (Discontinued Model) | Plus | 27kW | Indoor Installation | Tempra 24 Plus (24 kW) | Tempra 15 Plus (15 kW) |
weight | 19 pounds | 5.5 pounds | — | 19 pounds | 20 pounds | 1 pounds |
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From the manufacturer
Tempra 12 | Tempra 12 Plus | Tempra 15 | Tempra 15 Plus | Tempra 20 | Tempra 20 Plus | Tempra 24 | Tempra 24 Plus | Tempra 29 | Tempra 29 Plus | Tempra 36 | Tempra 36 Plus | |
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Customer Reviews |
4.4 out of 5 stars
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4.4 out of 5 stars
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4.4 out of 5 stars
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kW | 12 kW | 14.4 kW | 19.2 kW | 24 kW | 28.8 kW | 36 kW |
Voltage | 240 A | 240 A | 240 A | 240 A | 240 A | 240 A |
Max. amperage draw | 50 A | 60 A | 80 A | 100 A | 120 A | 150 A |
Min. required breaker(s) | 1 x 50 A DP | 2 x 30 A DP | 2 x 40 A DP | 2 x 50 A DP | 3 x 40 A DP | 3 x 50 A DP |
Min. required wire size and number of runs | 1 x 6/2 AWG | 2 x 10/2 AWG | 2 x 8/2 AWG | 2 x 6/2 AWG | 3 x 8/2 AWG | 3 x 6/2 AWG |
Min. recommended household electric service | 100 A | 100 A | 125 A | 150 A | 200 A | 300 A |
Min. flow to activate unit | 0.37 GPM | 0.50 GPM | 0.50 GPM | 0.50 GPM | 0.77 GPM | 0.77 GPM |
Water connections | 3/4" NPT | 3/4" NPT | 3/4" NPT | 3/4" NPT | 3/4" NPT | 3/4" NPT |
Output water temp. range | 86°F - 140°F | 86°F - 140°F | 86°F - 140°F | 86°F - 140°F | 86°F - 140°F | 86°F - 140°F |
Warranty | 7 yr leakage/3 yr parts | 7 yr leakage/3 yr parts | 7 yr leakage/3 yr parts | 7 yr leakage/3 yr parts | 7 yr leakage/3 yr parts | 7 yr leakage/3 yr parts |
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Sizing Guide |
1 Find your approximate ground water temperature on the map.2 Check the column on the table to see how many fixtures can be supplied at the same time for each model. |
3 Use the actual max. flow rate to fine-tune these recommendations.4 Make sure you have sufficient electrical service for the model. |
Product information
Technical Details
Additional Information
ASIN | B001AHO8AK |
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Customer Reviews |
4.4 out of 5 stars |
Best Sellers Rank | #491,839 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #636 in Water Heaters |
Date First Available | May 29, 2008 |
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Product Description
Product Description
When compared to gas type thankless water heaters, Stiebel Eltron tempera 36 plus cost less and is less expensive to install, since it does not require venting parts.
From the Manufacturer
The Tempra® Plus is the most technologically advanced tankless water heater available on the market today. Advanced Flow Control is exclusive to the Tempra® Plus and ensures a constant temperature output no matter how great the hot water demand is. Advanced Flow Control technology works by automatically adjusting the flow of water to eliminate unpleasant temperature fluctuation. What that means to you is a consistently satisfying experience every time, all the time !
Important information
26000 watts
240 volts
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the quality, temperature, ease of installation, storage space and efficiency of the water heater. They mention that it works great for taking showers, has no problems at all and that the water temperature is 99% steady. They also appreciate the dramatic space saver and the fact that it can recapture virtually all of the old tank heater's water. Overall, customers recommend the product for its quality, efficiency and storage space.
AI-generated from the text of customer reviews
Customers are satisfied with the quality of the water heater. They say it is a very good and dependable unit, that performed very well during the first week of use, and had no problems at all. They also say it works great for taking showers and washing dishes, and is great for large applications. They feel that it is well made and will last for years.
"...This unit, SE Tempra 29 Plus, has performed very well during the first week of use...." Read more
"...I installed this unit myself and had no problems at all...." Read more
"...All in all, I give it 5 stars because of its superb performance, efficiency, ease of installation, and high quality design + construction." Read more
"We have had this for over 6 months so far and it's been fantastic!! Did the install myself. You will need 200 AMP service to run this!..." Read more
Customers like the temperature of the water heater. They say it's able to get the water up to temperature without issues, and performs reasonably well. They appreciate the digital read out to display the temperature, and there is no cold blast of water. The water temperature is 99% steady, and the bath faucet is nice and warm. Customers also say that the water is adjustable and provides endless hot water.
"...pretty cold temps outside but the Tempra 24 keeps up and can kick out enough hot water even on those really cold mornings when you need a good HOT..." Read more
"...a few weeks rembered the Delta shower fixture has the ability to set specific temps. I made the adjustment and boom, hot water!..." Read more
"...We've had it up and running for 6 months now and enjoy endless, temperature adjustable, hot water...." Read more
"...It's supposed to automatically adjust to keep the temperature constant but I do sometimes notice variations...." Read more
Customers like the ease of installation of the tool. They say that the install seems simple at first glance, but there are many details that can cause problems. They also say that it's not hard at all, the connections were rather easy on the plumbing side, and it' s hooked up correctly. They add that the product is excellent and sturdy, and up to code. Overall, customers are satisfied with the ease and speed of installation, and recommend it to others.
"...Some other positives:Easy installation...." Read more
"...give it 5 stars because of its superb performance, efficiency, ease of installation, and high quality design + construction." Read more
"...Very simple and spot on! I did call them about the water softner or other options, they were very nice and helpful...." Read more
"...Very easy. Last thing, for those of you doing the math, yes this things sucks electricity like you wouldn't believe...." Read more
Customers like the storage space of the water heater. For example, they mention it's a dramatic space saver, great size for a small apartment, and big enough for their whole house. That said, some say it'd never run out.
"...Saves space, No Footprint! This unit was ideal for my house. I had a 50gal tank in my half-bath and it was an eyesore and a space hog...." Read more
"...Takes up no space!Some people on here say to get your flow rate, temp rise, bla bla bla...." Read more
"...the unit is quite modern and microprocessor controlled, extraordinarily compact and well-made; the product literature is peculiarly "undersized"..." Read more
"...Its heating capacity fits my house perfectly. I have 3 showers and tubs in my home...." Read more
Customers like the efficiency of the water heater. They say that it works well, saves them an average of 30% on electric, and has a marginally higher energy output. That said, they say it has lowered their bill and has enough power to heat 2 showers and a load of laundry.
"...Could not be happier. And, I have noticed a lower electric bill! This did replace a 50 gallon water heater that was in a closet under our stairs...." Read more
"...This heater has a maximum amp draw of 120 amps...." Read more
"...it to have endless hot water, extra room in your closet and lower electricity costs...." Read more
"...It does draw a lot of current, but not 150 amps. We have it set at 106F, which is the temperature I prefer in the shower...." Read more
Customers like the value of the tool. They mention that it saves big money, and is well worth the money spent.
"...Stiebel Eltron is a high quality German made unit, however, fire alarms are inexpensive and make sense as a precaution." Read more
"...Now is $50 more expensive than the Powerstar, quality still worth the investment!" Read more
"...For my application (hydronic heat) this unit is a huge cost saver.. A regular 55 gal hot water heater would need to be powered 24/7 in the fall -..." Read more
"...But not economically efficient. This is due to their initial expense...." Read more
Customers are mixed about the durability of the water heater. Some mention that it has held up really well and constantly produces enough hot, while others say that it only lasted maybe six months, it was a huge waste of money, and the guide book was not very good.
"...This unit in particular is a very good and dependable unit...." Read more
"...It started to throw the breakers so we opened it up and saw there was a small leak inside and it was effecting the electronics...." Read more
"Terrifically well-built device, obviously european...." Read more
"...It's just a waste of money and energy. Highly recommend and have told family and friends about this company and tankless water heaters." Read more
Customers have mixed opinions about the pressure of the water heater. Some mention that the water pressure is wonderful and easily fills a large tub in normal conditions, while others say that there is a decrease in water pressure when the hot water is on.
"...shower while the washer is running, there is some pretty dramatic pulsing on the water pressure...." Read more
"...This item provides good water flow and heat to my shower which is 20ft approx away from the heater at 122 degrees...." Read more
"...there is a bit of a pressure drop as the unit throttles down to compensate...." Read more
"...I have not noticed any reduction in water flow or temperature fluctuations...." Read more
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Top reviews
Top reviews from the United States
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Different functionality/Limitations- Please remember when you switch to a on-demand style heater that the flow (or max number of points of use) will be limited by the power rating of the unit; however, you will not be limited by the amount of time you can use the heater. I found this ideal for the garden tub as a tank style heater can fill the tub, but is then out of commission for about an hour. The same goes for showers. Two showers and a washing machines could be ran with the tank, but after doing this the tank was down for an hour. This does not happen with the on-demand style and it will continue to put out hot water as long as you want to run it.
Minor temperature fluctuations with well water - I do notice small temperature fluctuations while using the unit. I believe these are associated with the pressure tank and cycling of the well pump. When the tank is charging (well pump is running), the water drops a couple of degrees (just noticeable enough to feel, not enough to adjust the water temp). I believe this is due to the water bypassing the pressure tank and coming directly to the heater. This incoming water is slightly colder than the water that has warmed up inside the pressure tank in the crawl space. This water then makes its way through the heater and reduces the output on the hot line side (because of the constant temperature control of the plus unit). The cold line side rises in pressure due to the pump pressurizing the tank and mixes slightly more cold water. I believe this could be eliminated by adding a buffer tank (5-20gal) between the pressure tank and house inlet that would allow the water to mix and acclimate, but this would only be added if someone was extremely sensitive to temperature variations.
Some other positives:
Easy installation. If you know plumbing and electricity this can be installed in an afternoon if your lucky with the placement of everything. It took me a weekend by myself to install. Most of the time was spent routing the power cables and mounting boxes.
Saves space, No Footprint! This unit was ideal for my house. I had a 50gal tank in my half-bath and it was an eyesore and a space hog. The SE 29 was wall mounted on the garage side of the wall without taking any floor space and minimal wall space that wasn't being utilized.
Others: Unlimited hot water, Better looking than a tank heater, and easily adjustable temp.
I installed this Stiebel-Eltron Tempra 29 Plus to replace a propane powered water heater that the previous owner had used. Our home was wired for electric heat in the 1970's, so it has a 200a service, and I wanted to avoid fossil fuels.
We heat with 2 pellet stoves. We have back-up electric heat as well. I was concerned that the current draw for this unit would cause a problem with many electric appliances running at once. We didn't have a problem, even when we had guests and multiple showers running at once. Plus, the winter of 2013 was quite cold here with some mornings as low as -15F, and still no problems.
I would consider myself to have above average handyman skills. I installed this unit myself and had no problems at all. If you are comfortable replacing a circuit breaker, you can install the electrical portion of this, but I caution you, if you aren't 100% confident, then hire a professional, because working near the bus in the breaker box can be dangerous, and 200a could probably cook you like a hot dog if your screwdriver slips. I have several years of experience working for an electrical contractor during the summers when I was a teen, so I felt comfortable taking on this project.
I used shark bite fittings to plumb this unit. I got 2 valves to shut it off so it can be cleaned/flushed annually and I used 2 braided stainless steel connections to hook into the unit directly. I found these fittings on the shelf at Home depot. I also got the 8/2 wire at Home Depot. Total cost to install myself was ~$100 for wire (125 ft), ~$30 for 3 50a breakers, ~$60 for all sharkbite fittings. I had some other misc items on hand (screws, wire straps, tools, etc).
My impressions of this unit over the year we have had it are very positive. There are some quirks, because this is not the type of system most of us are accustomed to as Americans. Contrary to the experience of another reviewer, I notice a slight, but noticeable increase in the temperature of the water when I'm in the shower and another tap is opened. It is not enough to scald, but it is occasionally uncomfortable. There is also a minor dimming of the lights when the water heater comes on. It does draw a lot of current, but not 150 amps. We have it set at 106F, which is the temperature I prefer in the shower. I can have the electric oven and range on, the microwave on, lights on around the house, the stoves going, and fill a pot with hot water in the kitchen. You won't have problems hosting guests.
My inlaws were concerned that we weren't running the water hot enough to kill germs in the dishwasher and the clothes washer. I say hogwash. I haven't gotten sick more often or noticed dirtier dishes or clothes. The water at their house burns my hands straight out of the faucet.
My monthly electric bill with 2 people living in the house is somewhere around $100. It went as high as $150. last winter with stoves and humidifiers going, and as low as $80 this summer with no AC running. I don't have previous bills to compare to since we installed this water heater as soon as we moved in.
As always, YMMV, but I have been very pleased with this water heater. I probably could have gotten away with the unit one size down (tempra 24), but I like to do it once and do it right. The endless hot water and excellent efficiency are wonderful benefits, and we've had no significant drawbacks. If we ever move, I'll get one of these for our new house.
Top reviews from other countries
It is now installed for two weeks and it works perfectly for my needs. I didn't use it yet during the coldest month of the year when the water that goes in is nearly at the freezing point, but so far so good, this thing gives me continuous hot water (very convenient water temperature selector). I look forward to see if I will have any savings on my electric bill but I'm confident to save some money since I live alone and it's only working on demand compare to an always on standard heater. The other good thing is the space gained by the removal of the old tank.
The only con I found is the recommended wiring for it was not conform to the electrical code in Quebec (bigger wire needed), but since you need an electrician to connect it, he will know exactly what needed to conform to the electric code of your province.
I strongly recommend this product !!
Update Jan 2014 : I'm still totally satisfied, it passes the test of the coldest weather and I saved about 60.00 $ on my electric bill for the whole year,
so the unit will pay for itself over a period of about 10 years !
i am sure it will safe me money only using the electricity and water when I needed.
I was also able to clear lots of space in my mechanical room replacing a large hot water tank. thank you