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Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted, White

4.4 4.4 out of 5 stars 10,538 ratings

$333.00
FREE Returns
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7 Gallon
Water Heater
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Purchase options and add-ons

Brand Bosch Thermotechnology
Product Dimensions 17.5"W x 17.5"H
Color White
Wattage 1440 watts
Voltage 120 Volts
Capacity
7 Gallons
Power Source
AC
Item Weight
29.5 Pounds
Style
Yes

About this item

  • CONVENIENT HOT WATER HEATER: 7 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 17.5 W x 17.5 H x 14.5 D Inches
  • INSTALLED VERTICALLY OR HORIZONTALLY: This larger model can be mounted vertically (5.1 gal. of water supply) or horizontally (7 gal. of water supply)- vertical orientation is installed with the cold and hot lines on top of the unit
  • RELIABLE WATER SOURCE: Easily hard-wire the 7-gallon model to provide the on-demand reliable water source your home or office needs
  • IMPORTANT INFORMATION: Heating capacity of 1440 watts and a temperature range of 65-145°F max. Operating pressure-150 psi. Water fittings-3/4 inch Male NPT. Electrical requirements (Amp 12A/Volts 120)
  • EASILY MOUNTED: Can be shelf or floor mounted. Wall mounting available in vertical orientation only (water connections on top) - bracket included. Simply tap into the cold water line and install the water heater directly at the sink to provide hot water
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
Energy efficiency
3.7 3.7

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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
Price
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 7-Gallon (ES8) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted, White

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted, White


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Product guides and documents

Product Description

Product Description

Get hot water where it's needed, when it's needed with the Bosch ES8 Tronic 3000 T electric water heater. This 7-gallon capacity point-of-use mini-tank fits right under your sink and provides a practical and effective solution to your hot water needs. Hard-wire the 7-gallon heater to provide the on-demand and reliable water source your home needs.  The ES8 can be installed with water connections on top (vertical) providing 7 Gallons or on the side (horizontal) providing 5.1 Gallons. The glass-lined tank offers great insulation and added durability, while the heater's fast recovery rate eliminates long waits for hot water. An external dial allows you to easily control the temperature range, and the temperature-and-pressure relief valve enhances your safety. The ES8 Tronic 3000 T from Bosch has a sleek and attractive exterior design that blends in seamlessly with existing décor when installed in a visible location, making this heater a great option in any room. Occasionally, the high temperature limit shut off device may trip the reset. This occurs when water temperature exceeds 190 °F

Manufacturer Contact Information

800-283-3787

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Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted, White
Bosch Thermotechnology Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted, White
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Price$333.00$239.99-19% $194.99
Typical:$239.99
$205.99$207.35$329.99
Delivery
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Customer Ratings
Easy to install
4.4
4.3
4.6
3.8
3.8
4.4
Temperature Control
4.3
3.8
4.2
2.8
2.8
4.2
Tech Support
3.6
3.3
3.7
2.5
2.5
3.5
Value for money
4.2
1.4
3.6
Sold By
Amazon.com
THMOS
Water Comfort Depot
Amazon.com
Amazon.com
Camplux
capacity
7 gallons
6.5 gallons
8 gallons
55 gallons
55 gallons
10 gallons
power source
AC
Battery Powered
Corded Electric(With Plug)
hard wired
hard wired
120V AC Hardwired
mounting type
Wall
Plugin to Use
Wall or Floor Mounted
Floor Mount
max operate pressure
150 pounds per square inch
150 pounds per square inch
150 pounds per square inch
150 pounds per square inch
maximum pressure
150 pounds per square inch
150 pounds per square inch
150 pounds per square inch
material
Gold porcelain enamel
SPGC
Plastic
Plastic
porcelain enamel, Stainless Steel
style
6.5 Gallons
Enamel
Thermal
Thermal
‎10 Gallon

Important information

Wattage

1440 watts

Bulb Voltage

120 volts

Customer reviews

4.4 out of 5 stars
4.4 out of 5
10,538 global ratings

Customers say

Customers like the performance, temperature, ease of installation, and value of the water heater. For example, they mention it works great, provides hot water almost instantly, and is easy to install. That said, some complain about the leakage. Opinions are mixed on quality, size, and water capacity.

AI-generated from the text of customer reviews

1,033 customers mention947 positive86 negative

Customers are satisfied with the performance of the water heater. They mention that it works well, is efficient, and has no issues. Some say that it's easy to install and provides hot water for their kitchen sink.

"...Works like it should. Easy to install. Only when you use it. Mine is under my bar sink...." Read more

"...Hooked up to the dishwasher, works great also. Be aware that there is an anode. This could be replaced every 2 years...." Read more

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

"...I just wash my hands or face so the 2 gallon was fine. It goes fast. After 2 months I noticed water slowly leaking from the bottom...." Read more

975 customers mention778 positive197 negative

Customers like the temperature of the water heater. They mention that it heats fast, keeps the heat well, and provides a decent amount of hot water. Some say that the thermostat is great and easy to use. They also appreciate the well-insulated tank and the ease of future maintenance or temperature adjustment.

"...Only when you use it. Mine is under my bar sink. Saved running a hot water piping on the other side of my house. ...." Read more

"...Faucet hot water in seconds rather than minutes. Hooked up to the dishwasher, works great also. Be aware that there is an anode...." Read more

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

"Easy to install, fits under the sink perfectly. Fast hot water," Read more

713 customers mention656 positive57 negative

Customers find the installation of the water heater to be easy and straightforward. They mention that it is easy to install under kitchen sink and has been 100% problem free for 2 years.

"...If it were under the sink it would be quicker. Installation was quite easy...." Read more

"...Works like it should. Easy to install. Only when you use it. Mine is under my bar sink...." Read more

"Extremely happy with the unit. Little larger than I expected. Easily (not much room under there) hooked up to the water intake...." Read more

"Easy to install, fits under the sink perfectly. Fast hot water," Read more

192 customers mention153 positive39 negative

Customers like the value of the water heater. They say it's well worth the money, reasonable, and inexpensive to operate. They also say it saves them money from not wasting water just waiting for it to heat up. Customers also mention that it'll make their life much nicer and is worth the upgrade.

"...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

433 customers mention199 positive234 negative

Customers are mixed about the quality of the water heater. Some mention that the quality is solid, and it has kept up very well. However, others say that it deteriorated in just a year, and the anode rod will over time disintegrate.

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

"...works great wasn’t to bad to install like it better than what i had good quality still working" Read more

"...The reason it only gets four stars instead of five is that it failed after 3 years and started leaking...." 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

322 customers mention218 positive104 negative

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

"Easy to install, fits under the sink perfectly. Fast hot water," Read more

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

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

162 customers mention52 positive110 negative

Customers are mixed about the water capacity of the water heater. Some mention that it saves water and propane, while others say that it leaks and causes damage.

"...It is suggested to check annually. There is no drain valve to remove water in unit before removing anode. Think this is going to be a water mess." Read more

"...It goes fast. After 2 months I noticed water slowly leaking from the bottom. The guy who I paid to install it looked and said it was from the unit...." Read more

"Very happy not to wait to for hot water and no waste of water." 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

321 customers mention27 positive294 negative

Customers are dissatisfied with the leakage of the water heater. They mention that it started leaking, developed a leak at the heating element, and the safety value also leaked at first. The bottom of the tank separated at the seams and the tank inside cracked.

"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

"...fittings appear to have a coating on them and I found that they leak a little (I used PTFE sealant for a successful, dry installation.)..." 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 the United States

Reviewed in the United States on April 26, 2024
Size: 4 GallonPattern Name: Water HeaterVerified Purchase
First time I ever used a tankless water heater was in China 20+ years ago and I was sold on them the very first time. Works like it should. Easy to install. Only when you use it. Mine is under my bar sink. Saved running a hot water piping on the other side of my house. . So not only do you save by not heating water all the time, but also on the extra plumbing to run hot water to your location.
One person found this helpful
Report
Reviewed in the United States on March 7, 2023
Size: 7 GallonPattern Name: Water HeaterVerified Purchase
This is my 3rd time purchasing these tanks... I bought one 2 years ago so I could use it with my off grid solar.. 2 years it's been and it's still going strong, so I decided to buy 2 more.. 1 to replace my 40 gallon electric hot water heater and another for a spare ( prepping)...
I don't know what some people are complaining about on the few bad reviews, I mean don't you people have any brains or common sense?.. it's a 7 gallon hot water heater, you can't expect a 20 minute hot shower but I can get a 10 to 12 minute shower and I like pretty warm showers... Plus on top of that it uses less than 1\3 of the electric my 40 gallon heater did, 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 put in 2 years ago seems quite reliable..
My only complaint is I bought them returned.. one was brand new and never installed so I put that one in my preps.. the other however was installed by a sloppy plumber who marked it up with pipe dope and gouged it quite a bit.. I installed that one, it works great but should've been less than 204.00 in my opinion which was marked as like new.. but anyways no fault of the hot water heater, just incompetent people, but I saved 160 dollars buying 2 of them though so I can live with it having a few marks back in a closet where no one can see it anyways...
I highly recommend these water 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 bathroom and kitchen and the other does my upstairs bathroom and laundry room.. the money you'll save on electric over the life of the tank will pay for itself...
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, that's way I can get a 10 to 12 minute shower, you could never hold your hand under straight hot water coming from these.. a regular hot water tank heats the water to 120 degrees where as these small tanks heat water to 140 to 160..
And they are really well insulated too will keep water hot for hours before needing to cycle on..
30 people found this helpful
Report
Reviewed in the United States on May 13, 2023
Size: 4 GallonPattern Name: Water HeaterVerified Purchase
I first installed the ES-4 in my shop which does not have a hot water heater. So cleaning my hands especially in freezing/sub freezing temps was very uncomfortable. My well water line is deep enough not to freeze but it's still water coming from 200+ ft underground. 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. I placed it directly on my cement floor next to the sink and WOW in 10 minutes I had hot water. I was concerned that sitting on an ice cold cement shop floor would cause it to burn a lot of energy. 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. This tells me that it's thermal qualities are excellent.

Now for the best part... I installed one in my house under the kitchen sink but never got a light or hot water :-( So I sent it back to Amazon after I tried troubleshooting the issue (which I could not figure out) and they shipped me another free. In two days I received another one and installed it. Unfortunately I had the same problem. I was thinking that it was because for some weird reason it wasn't compatible with a hot water line coming from my water heater. Because that was the only difference in installing this second unit from the original install in my shop. The reason for installing one under the kitchen sink is that my water heater is far away from my kitchen sink (freezing cold well water just like my shop) and takes a full minute to get hot water and wastes precious well water not to mention the energy waste to reheat the hot water tank.

So I called Bosch tech support and they were very patient and helped me troubleshoot the issue. In just a few minutes they solved the issue. The outlet I was plugging the unit into was only energized when the garbage disposal was turned on. Duh! I felt like an idiot because I'm pretty good about troubleshooting problems. The Bosch rep was very kind and told me that I'm not the only one that has missed this simple fix. Cudos to Amazon and BOSCH for a great product and support! Check your power source... DUH!
57 people found this helpful
Report
Reviewed in the United States on April 17, 2024
Size: 2.5 GallonPattern Name: Water HeaterVerified Purchase
Extremely happy with the unit. Little larger than I expected. Easily (not much room under there) hooked up to the water intake. Faucet hot water in seconds rather than minutes. Hooked up to the dishwasher, works great also. Be aware that there is an anode. This could be replaced every 2 years. It is suggested to check annually. There is no drain valve to remove water in unit before removing anode. Think this is going to be a water mess.
2 people found this helpful
Report
Reviewed in the United States on April 21, 2024
Size: 2.5 GallonPattern Name: Water HeaterVerified Purchase
Great product, very easy install. We now have hot water in the garage.

Top reviews from other countries

Translate all reviews to English
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
¡Es El Bosco! Funciona como se describe, y no hay sorpresa en eso.

Lo que vale la pena señalar son los siguientes:

* Tamaño significativo. Asegúrese de tener espacio, incluida la plomería necesaria.
Consder agregar un filtro de agua antes del calentador de agua, ya que esto le ahorrará dolores de cabeza más adelante.

* Requisitos de bajo consumo (solo 1,500 vatios): las alternativas baratas probablemente requerirán 3,000 vatios y podrían producir todo tipo de problemas.

* No es un suministro infinito. Ofrece lo suficiente para llenar su fregadero. Use su suministro de agua caliente en ráfagas; Esto le da al calentador la oportunidad de calentar el agua de reemplazo.

* El agua sale caliente rápidamente, ya que solo tiene un corto recorrido entre su grifo y su calentador (que es el punto).

* Evite la tentación de aumentar la temperatura. Tenga en cuenta el punto inicial de usar el agua caliente en ráfagas.
One person found this helpful
Report
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
Works great, heats up very quickly and was very easy to install!
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
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 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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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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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
This unit is awesome every time I turn on my hot water tap in the kitchen I get rewarded with hot water within seconds. For years every time I did the dishes or turned on the kitchen sink it took about a minute and a half of cold water to get hot water. With this unit I have hot water within seconds and it is so cool to have hot water that quickly. I think this unit is awesome. And very easy to install. I just ran a flex line from my hot water fitting under the sink to the unit and then ran another flex line from the unit up to my tap.And the unit just slid in under my sink, set the temperature where you want it and you’re done.
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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
Excelente producto, fácil de instalar... Las mil maravillas. Se puede comprar.
One person found this helpful
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