Model # Tempra 29 Plus

Internet #203210875

Stiebel Eltron Tempra 29 Plus Advanced Flow Control and Self-Modulating 28.8 kW 5.66 GPM Electric Tankless Water Heater
0094922100689

Stiebel Eltron

Tempra 29 Plus Advanced Flow Control and Self-Modulating 28.8 kW 5.66 GPM Electric Tankless Water Heater

  • Exclusive Advanced Flow Control for more comfort automatically
  • Self-modulating technology provides endless energy savings
  • Made in Germany

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Product Overview

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, exclusive to Stiebel Eltron tankless heaters. If hot water demand exceeds unit’s 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. The Tempra 29 Plus provides hot water at a consistent temperature for up to 3 bathrooms in warm climates, or 2-3 bathroom in cool climates. See sizing guide to determine which model is best for you (guide assumes 2 GPM or less per shower-head). 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. Call Stiebel Eltron at 800-582-8423 if you have high flow showers or any sizing questions.

  • All Tempra Plus models feature advanced flow control that provides consistent hot water temperatures even when demand exceeds capacity
  • Warranty: 7 years against leakage & 3 years parts (see warranty manual for details)
  • 99% efficient - saves 15-20% (up to 30%) on electric bills compared to an electric tank-type water heater
  • Endless hot water
  • Thermostatic control range from 86-140°F
  • Self-modulating control saves energy
  • Saves space - no venting required
  • Requires 240 or 208-Volt
  • Recommended minimum of 200 total amp service, with 3 separate, dedicated 40 Amp circuits
  • Easy to read digital display
  • Professional installation recommended



  • Stiebel Tempra Sizing Guide:

    Stiebel Tempra Sizing Guide

  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name Tempra 24 Plus Advanced Flow Control and Self-Modulating 24 kW 4.68 GPM Electric Tankless Water Heater Tempra 29 Plus Advanced Flow Control and Self-Modulating 28.8 kW 5.66 GPM Electric Tankless Water Heater Tempra 36 Self-Modulating 36 kW 7.03 GPM Electric Tankless Water Heater Tempra 36 Plus Advanced Flow Control and Self-Modulating 36 kW 7.03 GPM Electric Tankless Water Heater
Brand Stiebel Eltron Stiebel Eltron Stiebel Eltron Stiebel Eltron
Ratings (62) (39) (1) (17)
Wattage (watts) 24000 28800 36000 36000
Certifications and Listings 4-UL Certified,CSA Listed,ETL Listed 4-UL Certified,CSA Listed,ETL Listed 4-UL Certified,CSA Listed,ETL Listed 4-UL Certified,CSA Listed,ETL Listed
Indoor/Outdoor Indoor Indoor Indoor Indoor
Water Heater Features Overheat Protection,Wall Mountable Overheat Protection,Wall Mountable Overheat Protection,Wall Mountable Overheat Protection,Wall Mountable
Flow Rate @ 45 F Rise (gallons/min) 3.64 4.37 5.46 5.46
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Customer Questions & Answers

I have a three bathroom home with three people residing in it. What will it take to meet our requirements given normal daily usage?

Asked by: Eddie
The Tempra 29 Plus is the unit to install. Depending on the incoming water temperature and the flow rate from the fixtures you have in your home, you should get between 3.5 - 5 gpm of nice hot water.
Answered by: Stiebel Eltron Support
Date published: 2017-06-20

Do these tankless water heater need DE winterizing

Asked by: Dee
These units should not be in a freezing environment! There is always some water left in the lower sections of each sealed cooper tank. Freezing can damage and ruin the tanks and is not covered under warranty. The best bet, if unit is in a 3 season cabin or vacation home, is to cap off the electrical and plumbing lines, take them off the wall and take them with you.
Answered by: Wrenchman
Date published: 2016-07-11

This is "Eddie" once again of course the question I neglected to ask,naturally, how much will the system cost. Purchase only of course.

Asked by: Eddie
The cost can vary but we purchased our at Home Depot because it was on sale. Even without the sale Home Depot had the lowest price. Customer service was excellet at Home Depot too. The main expense is the installation costs.
Answered by: JIm
Date published: 2017-06-19

Is the .77 gpm turn-on adjustable to 0.5? If most bathroom sinks are 0.5 gpm, how would this cut...

Is the .77 gpm turn-on adjustable to 0.5? If most bathroom sinks are 0.5 gpm, how would this cut on when I turn on my bathroom sink?
Asked by: JJ
Unfortunately not. You would need to run a 1.0 GPM aerator to ensure the unit activates.
Answered by: Stiebel Eltron Support
Date published: 2017-05-31
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Customer Reviews

Tempra 29 Plus Advanced Flow Control and Self-Modulating 28.8 kW 5.66 GPM Electric Tankless Water Heater is rated 4.4 out of 5 by 39.
Rated 4 out of 5 by from I really like the unit. I think you need to get more people who know what they are talking about ... I really like the unit. I think you need to get more people who know what they are talking about when it comes to these units. It took four months to finally get someone to help me get the product. I had to get an Electrician other then your recommend people to install it. The only bad think about the unit is it will waste water until it gets hot. If this is not a problem for a person then the unit is great. I have used these before in Europe so they are not new to me. I knew I had to do something to get away for the control of propane. This was my goal and I am happy.
Date published: 2017-06-07
Rated 5 out of 5 by from This tankless water heater was easy to install and uses very little wall space and no floor space... This tankless water heater was easy to install and uses very little wall space and no floor space like the old tank water heater did; we upgraded our 60 year old 220v electrical lines with new wiring; removed the old hot water heater; mounted the Tempra on the wall; connected the existing water lines and 3 220V electrical lines and IT WORKED! It produces hotter water than the old water heater which only lasted 6 years! Looking forward to getting many more years of use from the Tempra Tankless.
Date published: 2017-05-17
Rated 5 out of 5 by from Where did the water heater go???? After renting a huge water heater for ten years we though got it was time for a change and conservation of energy and space. The efficiency is great and it takes up no space. The electrician had no problems and I plumbed it in an hour. Now we have to see how much we will save but it is a no brainer. Have to run the water a bit to get the hot water due to frigid well water but all in all it should be a cost saver.
Date published: 2017-06-08
Rated 3 out of 5 by from The water heater does what it is supposed to do, provide endless hot water. However, the only gri... The water heater does what it is supposed to do, provide endless hot water. However, the only grievance I have with the unit is it has a built in flow rate module. Which from the emails I have back and forth with their tech support basically limits the flow of the unit so that it preforms at peak capacity. When we run multiple water sources (i.e. 2 showers) the water pressure gets almost cut in half. We had it set at 120 degrees, tech support told us to turn down the hot water, which we did and that did help the issue quite a bit, yet the water isn't as hot. Still hot to shower in but not if you are wanting to take a hot shower to relax, in my opinion. Also had to put in 3 new 40 amp breakers in the breaker box. No big deal but be prepared to spend some money on an electrician as they have to run new wire to the panel as well. We did also gain a whole closet as the tank has been removed so that is a positive. All in all I like the product and hope it continues to work for us.
Date published: 2017-03-01
Rated 5 out of 5 by from Purchased this unit to replace a Bosch Electric Tankless water heater after 8 years of use. This... Purchased this unit to replace a Bosch Electric Tankless water heater after 8 years of use. This model had the highest ratings of all the brands we researched and more adjustments and extra functions. Love the control dial on the outside of the case to allow easy adjustment of water temperature. We live in a small community so it was difficult to find someone with experience with tankless water heaters. We love the concept of having all the hot water you want on demand and the fact that we are not paying to keep a tank full of water hot all the time. The only draw back was that we had to have an electrician and plumber to install it. Because the connections were different from the previous unit it was expensive to replumb under the cabinet to install the new one. ($925 for parts and labor, we were shocked). Suggest checking instillation costs before purchasing. We would have purchased this unit anyway since we already had tankless units and love them. Home Depot service was excellent. It has only been installed for a couple days and it is working perfectly.
Date published: 2017-04-01
Rated 5 out of 5 by from Awesome I love the endless consistent hot water. One thing to know, go at least one size up from the chart. The one for 1 to 2 baths was no where near enough pressure. Even this size, first electric bill was $18 less. Great product!
Date published: 2017-03-18
Rated 5 out of 5 by from need a little knowledge to install but great results in the end. You don't have to heat any w... need a little knowledge to install but great results in the end. You don't have to heat any water unless you are using it.
Date published: 2017-04-12
Rated 5 out of 5 by from Tankless Water Heater Works better than imagined. I would recommend this product in place of a standard hot water heater
Date published: 2017-01-31
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