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Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

4.4 4.4 out of 5 stars 10,449 ratings

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2.5 Gallon
Water Heater

Purchase options and add-ons

Brand Bosch Thermotechnology
Product Dimensions 13.75"W x 13.75"H
Special Feature Lightweight
Color White
Wattage 1440 watts
Capacity
2.5 Gallons
Power Source
Corded Electric
Item Weight
15.5 Pounds
Style
Water Heater

About this item

  • CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water. Mini-tank water heaters are the perfect solution for a variety of applications such as small homes, garages, offices, in-law suites and anywhere you need hot water produced at the point-of-use.
See more product details

Customer ratings by feature

Easy to install
4.4 4.4
Temperature Control
4.3 4.3
Value for money
4.2 4.2
Tech Support
3.7 3.7

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$6.39
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Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
Bosch Thermotechnology Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
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Price$231.99-5% $197.95
Typical:$207.70
$189.43-5% $90.99
List:$95.99
$125.99$169.99
Delivery
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Thursday, Apr 4
Get it as soon as Wednesday, Mar 27
Customer Ratings
Temperature Control
4.3
3.6
3.6
4.2
4.7
4.2
Easy to install
4.4
4.3
4.3
4.2
4.4
Tech Support
3.7
3.1
4.0
Sold By
Amazon.com
Amazon.com
Amazon.com
Amazon.com
KENUOS-US
THMOS
capacity
2.5 gallons
55 gallons
55 gallons
2.5 gallons
2.5 gallons
2.5 gallons
power source
Corded Electric
hard wired
hard wired
ac
ac
Corded Electric
mounting type
Wall
wall mounted or floor mounted
Wall or Floor
material
Plastic
Plastic
Acrylonitrile Butadiene Styrene, Polyurethane
Spring Steel, Acrylonitrile Butadiene Styrene
Fused ceramic
style
Water Heater
Thermal
Thermal
Indoor Installation
mini tank,safety,compact,energy-efficient
2.5 Gallons

From the manufacturer


Hot water where you need it, when you need it.

Pro Tip: If the Pressure Relief Valve is not connected for drainage per the instructions, in rare instances slight moisture can escape the valve which may result in the False appearance of a minor tank leak. In such circumstance, a drain pan/vessel may be used to capture moisture.

An Ideal Solution For:

  • Apartment, RVs & Boats
  • Basements, Garages & Pool Houses
  • Kitchenettes & Patio Sinks

Bosch ThermoTechnology

Invented for Life

The Bosch Tronic 3000 T point-of-use electric mini-tanks are available in three compact sizes, which can be wall-hung (bracket included) or floor-mounted. They fit easily under a sink, even in a cabinet space, and because they have a sleek and attractive design, they blend in seamlessly with existing décor when installed in a visible location. Simply tap into the cold water line and install the water heater directly at the sink to provide hot water. Great for a wide range of locations!

  • 2.5 Gallon Mini Tank (ES2.5).
  • 4 Gallon Mini Tank (ES4).
  • 7 Gallon Mini-Tank (ES8).

Point-Of-Use Electric Mini Tank Water Heaters

Water Where You Need It

Provides hot water quickly at point of use and comes with temperature /pressure relief valve installed - 2.5 and 4 gallon tanks feature a simple 120 VAc plug-in connection (1440 watts).

Quality for Long-Life

Thick CFC-free foam insulation for maximum energy efficiency, glass-lined tank for durability.

Great for Small Spaces

Water heaters are compact and lightweight and can be floor, shelf, or wall mounted (except 7 Gallon) - features a sleek and attractive design to blend seamlessly with decor.

Minimize Wait Time for Hot Water

Waiting for hot water at a sink located far from a primary heating source can be frustrating. Only having access to cold water from a sink is just not useful, and plumbing a hot water line to every sink in a home or business requires time and money. To get hot water where it’s needed, when it’s needed, a better solution is to use the Tronic 3000 T from Bosch: a point-of-use electric mini-tank heater. This heater can supplement a primary water heating source, or be used under a single sink. In fact, the Bosch Tronic 3000 T can be used for three different applications: as a sole water heating source for a single sink, as a supplement to an existing heater located far from the sink, and as a buffer installed in-line with tankless water heaters that experience intermittent cold water, also known as 'cold water sandwiching'. No matter the configuration, there’s minimal stand-by loss from this premium mini-tank water heater.

Customer Reviews
Tank Volume 2.5 Gallons 4 Gallons 7.0 Gallons
Recovery Rate at 90°F Rise 6.8 GPH 6.8 GPH 6.8 GPH
Water Pressure Range 150 psi 150 psi 150 psi
Temperature Range 65-145°F 65-145°F 65-145°F
Electrical Requirements (Amp/Volts) 12A / 120V 12A / 120 V 12A / 120V
Dimensions 13.75 W x 13.75 H x 10.75 D 13.75 W x 13.75 H x 13.5 D 17.5 W x 17.5 H x 14.5 D
Weight 15.5 lbs 17.4 lbs 29.5 lbs
Water Fittings 1/2" Male NPT 1/2" Male NPT 3/4" Male NPT
Relief Valve Included Included Included
Wire Type Plug-In Plug-In Hard Wired

Product information

Technical Details

Additional Information

Warranty & Support

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Product Warranty: For warranty information about this product, please click here. [PDF ]

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Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted


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Product guides and documents

Product Description

Product Description

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2. 5-Gallon (ES2. 5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted.

Troubleshoot: (1) Water does not get hot- * Make sure the power supply is on and working * If the indicator light works properly but temperature does not get hot at the tap, test for a plumbing crossover; shut off cold supply to heater and open hot water tap. There should be no water flowing. Any continued flow indicates a crossover which will effect the temperature and will need to be corrected * Call a qualified service technician to test the resistance of the heating element (8-10 ohms). Heating element should be replaced if readings are outside these values (2) Leaking- * Check water fittings and T & P fitting on top of tank * Remove front cover and inspect heating element gasket * If tank is leaking call Bosch Water Heating for warranty claim if still within warranty period * Check anode rod. Other troubleshoot solutions are available on the installation manual Pg-11.

Manufacturer Contact Information

800-283-3787

Important information

Wattage

1440 watts

Bulb Voltage

120 volts

Customer reviews

4.4 out of 5 stars
4.4 out of 5
10,449 global ratings

Customers say

Customers like the temperature and value of the water heater. For example, they mention it provides a decent amount of hot water and is easy to install. That said, some complain about the leakage. Opinions are mixed on quality, water supply, and size.

AI-generated from the text of customer reviews

1,030 customers mention943 positive87 negative

Customers are satisfied with the performance of the water heater. They mention that it works well, has no issues, and provides hot water to their kitchen sink for dishes. Some say that the main tank is working correctly. Overall, most are happy with their purchase and recommend it to others.

"...BUT to my surprise It's so efficient that I rarely see the light come on. In fact I've only seen it come on 2-3 times with over two months of use...." Read more

"...plus I can run it on solar or a small generator, it takes about 35 minutes to fully recover, and seems well built and judging from the other one I..." Read more

"These hot water heaters work great. I’ve purchased two. The only thing is they only last 4-5 years...." Read more

"Absolutely amazing product. Lightweight, simple installation, and user friendly maintenance.BEWARE!..." Read more

968 customers mention772 positive196 negative

Customers like the temperature of the water heater. They say that the water is hot almost instantly, the normal setting is hot enough, and it keeps a sufficiently warm tank. They also say that it is easy to install and is capable of heating the water fairly quickly to high temps. Customers also mention that the unit is very well insulated, and that it provides instant hot water with no much drop off in temperature.

"...Oh and by the way these small tanks heat the water up way way hotter than a regular hot water tank, so you use way less hot water taking a shower,..." Read more

"I wanted something that was easy to install and provide a decent amount of hot water while using our outdoor kitchen...." Read more

"...A rather long (for a 4 gallon) nice warm shower!..." Read more

"Easy to install and always hot waterWell worth the money" Read more

712 customers mention653 positive59 negative

Customers find the installation of the water heater to be easy. They mention that it's quick to heat up and provides plenty of hot water. Some say that the installation was smooth, while others say it was straightforward. Overall, most are satisfied with the ease of installation and the quality of the product.

"...The install was really straight forward and simple. A longer power cord would be nice but for the price point it's a VERY minor issue...." Read more

"...heaters from having one for over 2 years now and it has been 100% problem free and I have 2 of them operating in my home, one does my downstairs..." Read more

"Absolutely amazing product. Lightweight, simple installation, and user friendly maintenance.BEWARE!..." Read more

"...Very easy to install under sink if there is room. Get electrician to run outlet it needed." Read more

192 customers mention153 positive39 negative

Customers like the value of the water heater. For example, they say it's well worth the cost, inexpensive to operate, and saves them money from not wasting water. Some say it makes their life much nicer and is a great investment. Overall, customers are happy with their purchase and recommend it to others.

"...This was the perfect solution and I would buy it again and the price was reasonable." Read more

"Easy to install and always hot waterWell worth the money" Read more

"...to 400.00 so I found this unit and figured I would give it a try it was inexpensive and I could send it back if it did not work...." Read more

"OUTSTANDING VALUE: I installed one of these under my kitchen sink as a buffer for instantaneous hot water...." Read more

418 customers mention198 positive220 negative

Customers are mixed about the quality of the water heater. Some mention the price was reasonable and the quality is solid, while others say that it deteriorated in just a year.

"...I’ve purchased two. The only thing is they only last 4-5 years. Then they will start leaking and will need to be replaced...." Read more

"...small generator, it takes about 35 minutes to fully recover, and seems well built and judging from the other one I put in 2 years ago seems quite..." Read more

"...In summation, this is a marginally designed product with a very limited lifespan and no support from the manufacturer." Read more

"...This unit is well built, and while it seemed a bit large before I installed it, we actually ended up with MORE space after reorganizing under the..." Read more

317 customers mention216 positive101 negative

Customers are mixed about the size of the water heater. Some mention that it fits perfectly in the space under the sink, while others say that it takes up a bit of space.

"...I wanted to have an extra on hand.Pros:Small and efficientHeats up fastLooks goodHad wall hanger included..." Read more

"...going in my van that is a converted mobile home, it’s that convenient,small, efficient, and very very lightweight without water...." Read more

"...would be nice, but it also takes longer for the tank to heat and takes up more room. All good products though...." Read more

"works on 15 amp circlet, heats up fast and fits in small space." Read more

159 customers mention51 positive108 negative

Customers are mixed about the water supply of the water heater. Some mention that it saves water and propane, while others say that it causes damage to their storage shelving and flooded their bathroom.

"...with them leaking is by the time you realize they are leaking, water is everywhere.I recommend putting a plastic catch tube under the heater...." Read more

"...Since there is not drain, I had to remove heater to turn on it's side to empty the water and check the anode...." Read more

"...No more wasted water. No more wasted time waiting for water to heat up. Now I get hot water within two seconds of turning it on...." Read more

"...sold as new, a few weeks ago the water turned rusty with a lot of partials in the water. I checked the hot water unit out...." Read more

316 customers mention27 positive289 negative

Customers are dissatisfied with the leakage of the water heater. They mention that it started to leak, developed a leak at the heating element, and the safety value also leaked at first.

"...The only thing is they only last 4-5 years. Then they will start leaking and will need to be replaced...." Read more

"Purchased less than 2 years ago, this Bosch water heater started leaking in August 2023...." Read more

"...four stars instead of five is that it failed after 3 years and started leaking...." Read more

"...The disconnected hot water shut off valve started every so slowly to leak - a few drops over the course of several hours...." Read more

Just love it!
5 Stars
Just love it!
Best electrical device I have ever purchased from Amazon.com! Should have ordered this a year ago. Wanted to reduce my electrical bill and water consumption. This surely has reduced my electrical bill significantly. The intake cold water to this unit comes directly from my showerhead pipe (just twist off your present showerhead and install a flexible hose in its place). The output hot water from this unit goes directly to another flexible hose with a showerhead at the end. For my needs, since I only need warm water, this is ideal. Keep in mind one thing, after you use up the 4 gallons of stored heated water, the subsequent outflow and water temperature are directly related. That is, for a given output flow rate (via the showerhead), the water temperature of that outflow will be constant. Mathematically, water output flow rate is inversely proportional to the water temperature. That is, for a given flow rate, there is a unique temperature associated with that outflow. So, if you are like me and can be satisfied with a low outflow (like maybe a low-to-medium drizzle), then the outflow temperature will be constantly somewhere, I think, around 90 degrees F. If you can shower with even less of an outflow, then the water temperature will be proportionately hotter. If you require a greater water outflow, the outflow water temperature will be cooler. You need to experiment with what works for you. But for me, this is the find of the decade!Another BIG reason I got this thing was to give me the option of being able to power this unit via solar PV. So if I choose to, I can connect my Goal Zero Yeti 1500X generator (via a 50 foot 1600w capacity spooled extension cord. See the attached photo) and the power demand for a 15 minute warm water shower at a reasonable flow rate (definitely not Niagra Falls kind!) is about 375wH. That's only 375 watt-hours of power which is only 25% of the 1500wH capacity of the 1500X. Regardless, the unit is so efficient, I am just thrilled. I see why Bosch has sold so many of these units! So if you're wondering what I am doing with my existing 30 gallon electric water heater, it is still in place but my Gray Box has all the pins removed so the heater does not turn on. I just regularly turn on the hot water knob when using the tap water to make sure that I keep water flowing through the electric water heater so things don't cake up in there.
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Top reviews from other countries

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Phil Usher
5.0 out of 5 stars Versátil, fiable, de bajo consumo (versión de 10 litros)
Reviewed in Mexico on October 14, 2023
Size: 2.5 GallonPattern Name: Water HeaterVerified Purchase
One person found this helpful
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John
5.0 out of 5 stars Works great, installed in a food truck.
Reviewed in Canada on September 21, 2023
Size: 7 GallonPattern Name: Water HeaterVerified Purchase
Spinner
5.0 out of 5 stars Just seconds to hot water
Reviewed in Canada on April 7, 2023
Size: 2.5 GallonPattern Name: Water HeaterVerified Purchase
Customer image
Spinner
5.0 out of 5 stars Just seconds to hot water
Reviewed in Canada on April 7, 2023
My wife and I moved into a new house where the kitchen sink is as far removed from the hot water heater as is physically possible. It took about 2 minutes for hot water to arrive from the 70 ft distance. Since the water lines run in a concrete slab, even after hot water arrived, a slight pause in flow had a great cooling effect. This water heater tank arrived yesterday in the afternoon and we had hot water at the sink before dinner. Plumbing install was a breeze with the PEX lines. The time consuming portion was installing a new receptacle under the sink. With only a day or so of operation, we are ecstatic. Hot water flows within seconds as the attached video shows. I have a reminder to check the anode after 6 months to see how much erosion occurs. Just waiting for an inline valve to arrive and install as per recommended instructions.

Shut off valve added and everything is still good. We love this addition to our life.
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One person found this helpful
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Doug Morgan
5.0 out of 5 stars This unit is awesome
Reviewed in Canada on April 16, 2023
Size: 2.5 GallonPattern Name: Water HeaterVerified Purchase
2 people found this helpful
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Cliente de Amazon
5.0 out of 5 stars Excelente Producto... Compraré otro.
Reviewed in Mexico on February 10, 2023
Size: 4 GallonPattern Name: Water HeaterVerified Purchase
One person found this helpful
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