Model # AE-125

Internet #100094582

Store SKU #293656

Store SO SKU #1000895778

null 4 GPM 26.85 kW 220/240 Volt Point-of-Use Electric Water Heater
0052575701257

4 GPM 26.85 kW 220/240 Volt Point-of-Use Electric Water Heater

  • Same-day installation in most areas. Call 1-855-400-2552 by noon.
$708.00 /each

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Product Overview

Ideal for replacing your electric storage tank water heater, the Bosch/PowerStar WH27/AE125 electric whole house tankless water heater is compact and powerful and can installed virtually anywhere inside the home. Advantages include endless hot water, reduced electricity costs and substantial space savings. Designed to replace a 40-gallon electric tank, the Bosch/PowerStar WH27/AE125 electric tankless water heater is built to last with solid copper heat exchangers, and can help provide homeowners with a lower energy bill.

  • Compact, lightweight whole-house tankless electric water heater
  • Zero standby loss - only heat the water that you need
  • Solid copper heat exchanger
  • Built-in flow sensor ensures constant output temperature
  • External temperature control knob
  • Thermal cut-out for safety - protects elements from damage
  • Can be installed in several locations
  • Also requires 3 separate 40 Amp 2-pole circuit breakers and six #8 AWG wires plus ground, minimum 200 Amp breaker panel (not included)
  • Flow sensor to provide a constant output temperature
  • 220 / 240 Volt - 120AMP
  • Requires 3 double pole 40AMP
  • See model AE-115 for warmer climate applications and requires less AMP's AE125
  • 1/2" water connections
  • Click here to check out our buying guide on water heaters
  • Click here for more information on Electronic Recycling Programs

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$708.00 /each
$711.11 /each
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$795.40 /each
Name 4 GPM 26.85 kW 220/240 Volt Point-of-Use Electric Water Heater Tempra 29 Self-Modulating 28.8 kW 5.66 GPM Electric Tankless Water Heater Tempra 36 Plus Advanced Flow Control and Self-Modulating 36 kW 7.03 GPM Electric Tankless Water Heater Tempra 36 Self-Modulating 36 kW 7.03 GPM Electric Tankless Water Heater
Brand Stiebel Eltron Stiebel Eltron Stiebel Eltron
Ratings (67) (6) (16) (1)
Flow Rate @ 45 F Rise (gallons/min) 4.0 4.37 5.46 5.46
Wattage (watts) 26850 28800 36000 36000
Indoor/Outdoor Indoor Indoor Indoor Indoor
Water Heater Features Overheat Protection Overheat Protection,Wall Mountable Overheat Protection,Wall Mountable Overheat Protection,Wall Mountable
Certifications and Listings 1-UL Listed,CSA Listed 4-UL Certified,CSA Listed,ETL Listed 4-UL Certified,CSA Listed,ETL Listed 4-UL Certified,CSA Listed,ETL Listed
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Customer Questions & Answers

2 Questions6 Answers

Customer Questions & Answers

4 GPM 26.85 kW 220/240 Volt Point-of-Use Electric Water Heater
4 GPM 26.85 kW 220/240 Volt Point-of-Use Electric Water Heater

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3 answers

Useage

This question is from 4 GPM 26.85 kW 220/240 Volt Point-of-Use Electric Water Heater
Asked by
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March 26, 2014
Will this unit be able to run a shower comfortably and a washing machine?
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Asked by
Grovetown, Ga.
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November 12, 2015
Answer: 
Yes I use it for my dishwasher, my washer, daughter's bathroom, and kitchen sink and it has run with 3 of the four listed items running simultaneously without a problem.
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Asked by
Livingston county, new york
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December 17, 2014
Answer: 
I't can run a shower fine when it works. however we ran cold h2o only w/the washer.
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March 31, 2014
Answer: 
Hi Freax,
This unit is designed to replace a 40 gallon conventional water heater.
Thus if you are replacing a 40 gallon or smaller tank type water heater this unit will work fine to satisfy your needs.
Mike,
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3 answers

watts

This question is from 4 GPM 26.85 kW 220/240 Volt Point-of-Use Electric Water Heater
Asked by
BROWNSVILLE
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December 23, 2013
what is the watts rating?
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Asked by
Grovetown, Ga.
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November 12, 2015
Answer: 
I'm not sure, I was using the GPM rating as my determining factor.
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Asked by
Lasalle IL
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April 17, 2015
Answer: 
It is the rating on how many watts the electrical element puts out when energized 26,585 watts
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Asked by
Atlanta, GA
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January 28, 2014
Answer: 
Hi Calcomp,
Thanks for your question and interest in this item. More information is needed to accurately answer your question. Please contact our Online Customer Service Department at 800-430-3376 to get more assistance with this item. Our hours of operation are between 6:00 a.m. and 2:00 a.m. Eastern Time daily.
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Customer Reviews

4 GPM 26.85 kW 220/240 Volt Point-of-Use Electric Water Heater is rated 3.6 out of 5 by 67.
Rated 1 out of 5 by from Purchased and had mine installed professionally less then 2 years ago and the unit no longer heat... Purchased and had mine installed professionally less then 2 years ago and the unit no longer heats water. After calling support they require a multimeter tech in order to speak with tech support. Since a certified electrician would be required that means I have to pay an electrician hourly to basically tell support the same thing I can tell them for free that their hardware is dead and useless. Avoid this brand and unit!!!
Date published: 2017-01-05
Rated 2 out of 5 by from Motherboard issues Motherboard goes out every 2 years Cost is about 150 plus labor
Date published: 2016-12-23
Rated 1 out of 5 by from Less than 1 star We originally had a Bosch AE115 after less than 3 years we replaced it with a Bosch AE125 from Home Depot. The AE125 is no longer functioning after only 9 months. Tried to get someone to fix it and everyone we contact says "we don't work on those anymore". My husband went to Home Depot who called Bosch and Bosch wants an electrician to get on the phone with them to assess the tankless water heater. Home Depot gave us the name of an electrician they recommend but when we called them they also said "we don't repair those". So we still don't have hot water. The electrician said someone would call us back but that was over a week ago. What ever you do don't buy a Bosch Tankless Water Heater.
Date published: 2013-03-10
Rated 1 out of 5 by from Do not puy this Bosch product. Bosch will not honor the warranty. Their rude phone staff will tell that what ever is burn out or tore up is not under warranty, then tell you what is. Then when that goes out, then that is not under warranty. My new issue is the diffuser just on the inside of the screen has broke, and a shard of it is pinned in the flow sensor, and will not generate hot water. They have told me that this piece of debris came from the water supply and magically made it through the screen. The warranty does not cover debris that comes into the system from the supply.
Date published: 2013-07-23
Rated 2 out of 5 by from Not in Stock?? The first problem that I encountered when "trying" to purchase this item was, that it was not available in a store. Normally when someone needs to buy a water heater it is an emergency and not being able to get one quickly was a hassle. I also recomend that you put an aproximate cost of additional materials needed, for me it was $160, fortunately I was able to install everything myself or the cost of installation could have been very large. So far the product usage has been questionable, adjustments have been made when using the shower, and sinks in my house. Overall I am not as pleased as I would like to have been with this product.
Date published: 2010-07-12
Rated 5 out of 5 by from decent product it ran for 5 years without an issue. used it to fill the hot tub several times. amazing on demand; and i have cold well water. then it developed a small leak around the white wires and the bottom of the middle heater. turned green. called bosch, they asked for pictures and i sent them. i received a call back in 15 minutes telling me they were sending a new one to my house. thanx bosch, i'll keep buying your stuff.
Date published: 2011-08-05
Rated 1 out of 5 by from Don't do it!! I purchased this product about 3 years ago and was somewhat happy with it for the first year or so, in spite of uneven water temperatures. Be aware the discharge water temperature will vary as the incoming water temperature or pressure changes. Then things began to fail one at a time after the warranty ran out. First a thermal cutout went bad. It took me two weeks to get one from the factory. (It's a specialty item only sold through Bosch....everything is) Finally the control board failed. I'm tired of working on it and am going back to a standard, old fashioned and reliable hot water tank. To be honest, I really didn't notice much savings in electricity. This unit is just too unreliable to justify the high purchase price and the high installation costs. Invest in more insulation.
Date published: 2010-09-19
Rated 5 out of 5 by from James Schinault I really like the whole house hot water heater. I am on well water and didn't know if it would heat 66 degree inlet water temp but it will. I turned the easy access temp. control down one third of the way and still have plenty of hot water for showers, dish washer, baths and washing machine. I installed a ball valve on inlet and outlet side of water heater which allows me to control flow of water which stopes any to hot and to cold water flow being on a electric pump 25 to 50 pound pressure and it workes great. Unit was easy to install. Takes up almost no space in utility room. I haven't used it enough yet to tell if it saves me on electricity yet. But I am sure it will. We don't run out of hot water.
Date published: 2006-05-13
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