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Get hot water where it's needed, when it's needed with the Bosch ES4 Tronic 3000 T electric water heater. This 4-gallon capacity point-of-use mini-tank fits right under your sink and provides a practical and effective solution to your hot water needs. This smaller model can be plugged right into a 120-volt outlet, or can be installed in-line with a larger hot water source to provide "on-demand" use. 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 ES4 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. Water Heater measures 13.75" H x 13.75" L x 13.5" D and weighs 17.3 lbs.
Troubleshoot: (1) 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 (see section on changing the anode rod) (2) 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. Other troubleshoot solutions are available on user manual Pg-11.
Manufacturer Contact Information
800-283-3787
Paul M.
Reviewed in Canada on March 2, 2024
We have a two-piece bathroom that seemed to take forever to get hot water. I installed this under the sink in-line with the hot water line. I chose Bosch because it has been a reliable brand. There needs to be an outlet within two feet of the tank and it should be dedicated and with a GFCI. The tank supplies plenty of immediate hot water for handwashing. I am now looking into the feasibility of installing one for the shower upstairs.
John
Reviewed in Canada on September 21, 2023
Works great, heats up very quickly and was very easy to install!
William smarsh
Reviewed in the United States on March 7, 2023
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 13 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..
Phil Usher
Reviewed in Mexico on October 14, 2023
¡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.
Spinner
Reviewed in Canada on April 7, 2023
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Curtis & Victoria Smith
Reviewed in Canada on March 5, 2021
Read a bunch of reviews on different brands and this one seemed the best for our tiny home. It fits below our bathroom cabinet (which was a must) and runs hot water to the kitchen and bathroom. We're able to take a hot shower with it, and have quite hot dish water. Its been 6 months and its still running smoothly. Very pleased with how quiet and how compact it is, considering what it does.
Joe W
Reviewed in the United States on November 14, 2020
We bought a ranch house recently with a crawl space and 60+ feet of distance from the tankless hot water heater at one end of the house to the master bathroom. It takes 1 and a half minutes for hot water to start flowing from the bathroom sink tap after the tap is turned on. Same for the guest bathroom across the hall). Not fun for the wife when she wants hot water and wants it immediately to use for washing her face and hands. And a waste of water and energy as well. I did the research and this water heater seemed to fit the bill for our needs and situation. I picked up a water tap splitter and 2 hoses from HD and was delighted to have installation go smoothly and problem free - mostly. It took a bit of investigation to decide on drilling a hole at the bottom side of the sink cabinet and running a short extension cord from the receptacle on the wall beside the sink to the heater. The other option was to run an electrical cable into the sink cabinet and install a receptacle there for the heater plug. Which would have required drilling a hole through the cabinet base and the ceramic tile floor. My wife was OK with using the side receptacle. The receptacle is near the side edge of the cabinet and the extension cord runs along the edge of the back of the cabinet and wall to the bottom so visually it does not look out of place. Oh, and the extension cord plug is the flat kind so that helps it to blend in (not stick out like a normal electrical plug). Left the water heater setting at the Normal setting on the dial and hot water (111 degrees F.) starts flowing as soon as the water that is the line between the water heater and the tap clears (2-3 seconds). We find the normal setting is hot enough for us to use as is. Leaving the hot water tap FULL OPEN results in hot water flowing for 2 minutes, with it slowly getting less hot over that period of time towards the last 30 seconds to a minute. Which works for our needs. You could increase the hot water temperature and mix cold water to lengthen the time I suppose, but for washing our face and/or hands, the two minutes is sufficient. The other option is to open the tap less than half way and that would allow for more time as well. Overall, very pleased with this heater and plan to order another one for the guest bathroom. Off course Murphy's Law did visit me during installation. The disconnected hot water shut off valve started every so slowly to leak - a few drops over the course of several hours. The seal had deteriorated. (41 year old house). Fixing that was much more trouble than installing the hot water tank. But after several trips and tries of different valves I finally managed to take care of that problem.
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