Bosch AE115 PowerStar 2.6 GPM Indoor Whole House Electric Tankless Water Heater

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Product Description

From the Manufacturer

The Bosch AE115 PowerStar 2.6 GPM Indoor Whole House Electric Tankless Water Heater brings the performance of tankless to situations where an electric unit is preferred. Compact and powerful, Model AE115 delivers up to 2.6 gallons per minute (one major application at a time). These heaters are built to last, save valuable floor space and mount easily on the wall.

Product Details

Choose the Right Water Heater. [1.16mb PDF]

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Data Sheet [426kb PDF]

• Product Dimensions: 4.2 x 15.2 x 15.5 inches ; 21 pounds
• Shipping Weight: 21 pounds (View shipping rates and policies)
• Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
• Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
• ASIN: B0006GVO0I
• Item model number: AE115
• Average Customer Review: 3.3 out of 5 stars  See all reviews (7 customer reviews)
• Amazon.com Sales Rank: #23,313 in Home Improvement (See Bestsellers in Home Improvement)

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Customer Reviews

Most Helpful Customer Reviews

26 of 26 people found the following review helpful:

1.0 out of 5 stars Horrible horrible horrible, over 60% FAIL rate, April 22, 2008

By	J. borkowsky - See all my reviews (REAL NAME)

I have used these units in several buildings. The biggest building being an 8 unit building all with 1 bedroom apartments. Each apartment has it own hot water heater.

We have OVER a 60% fail rate. First you do a LOT of electrical work to get to the point of being able to install it. Then you put it in and this what progresses:

- day one works great and you think "what a great idea I had"...
- few weeks or months later it is hot for a minute, then warm, then cold as it runs
- you reset the unit try and test everything, it works ok you think
- get a call a day later it is the same warm then cold then warm showers
- you take it out and return it to the store.

I have replaced 3 yes THREE in one single apartment alone. All in all I bought 8, for an 8 unit building, and have installed either new or replacements 18, in a eight unit building that only has 8 on any given day, at this time. I am a whiz at getting them in and out.

So if you are looking to waste money and a LOT of time as you replace it and try and fix it etc this is for you. These could not even sustain a 1 bedroom with ONE tenant. All my units have a single tenant in them....

I did call the company and they are very nice. The guy I was talking with was a technician on what they called the "pro side" for builders professional etc. I explained everything to him and told him of my fail rate and he said that was possible. So they know of the problem, over 60% fail rate did NOT even phase him, he obviously had heard about this plenty of times before me......

11 of 11 people found the following review helpful:

4.0 out of 5 stars All Things Considered, October 3, 2008

By	T. Smith (Christiana, PA) - See all my reviews (REAL NAME)

I recently bought an AE115 to replace the aging oil burner we have. I actually ended up installing its cousin the AE125.The AE115 was found to be a little on the small side for my geographical area. I hadn't initially known this when I ordered it and I thought maybe I would save someone else a little grief by telling you this. A lot depends on your geographical area. I live in the north east US where my well water gets cold enough to need the larger unit.
You most likely will need to at least get a few 40 amp breakers if you already have a 200 amp service at your house. I needed to make a total electric upgrade to my house to 200 amps from 100 amps. The AE125 takes THREE 40 amp breakers. Actual amp readings by myself prove to be much less than that and most circuits are protected to 20% over actual use so no need to get to nervous about this. Consider that this amperage is only on for the short time you take a shower .vs hot water heater that is always heating your water(unless you install a timer).
A few more tidbits of info that might be useful. Temperture fluctuations are more noticable than with a water heater but not in the extreme IF you do a little tweaking first. Most people expect no fluctuation right out of the box even though the manufacterer gives you a procedure that will minimize or eliminate this. I adjusted my thermostat and also adjusted the rate or flow of water entering the heater and even with well water It is almost unnoticable. Are you frugal/cheap? then take a bath and you wont notice it at all.
The AE 125 has six elements I think the AE 115 has at least four and they need good either filtered/softened or both before the water gets to those elements or you might experience premature element failure due to calcium and other hard minerals in the water. One last thing, check the connections and make sure they are tight. At the factory they are throwing these together and might miss this. A loose connection will eventually cause a failure.
All thing considered I am very pleased with my heater thus far. It sounds like customer service will work to either replace or repair a unit if there is a problem from other reviews I have read.

16 of 18 people found the following review helpful:

3.0 out of 5 stars Use in warmer climate, August 27, 2007

By	Donal Fagan (Baltimore MD United States) - See all my reviews (REAL NAME)

We bought the AE 115 for a small 2BR house. We had to add two 240V 40Amp circuits (the AE 125 would have required three 40A circuits and upgrading to 200Amp service) and we had to refrain from using the dryer or stove at the same time as drawing hot water. It did provide enough water for any one fixture at a time, except the bathtub, which we had to fill slowly. After about seven months the water would change from hot to cold during a shower. After ten months, it stopped delivering hot water altogether. The heating elements and the transducer appear to work, so we suspect that the heat sensor failed.

While installing a new electric water heater, we deduced that cold water was being drawn into the hot water line through the old gas water heater (which we hadn't disconnected in case the next owner went back to gas). I suspect that the combination of our error and the slightly colder than recommended intake water eventually overwhelmed the unit's capacity. So I'd think the AEC 115 would work better in a warmer climate.