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MIZUDO

Electric Mini Tank Water Heater - MIZUDO 4.0 Gallon Point of Use Instant Hot Water Heater for RV, Camper, Kitchen, Food Truck, 120V 1440W, Under Sink, Wall or Floor Mounted, Easy to Install

  • Based on 136 reviews
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Availability: In Stock.
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Arrives Wednesday, Aug 6
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Model: Etech 40 | 4.0 Gallon


Features

  • CSA Listed
  • RAPID TEMPERATURE RECOVERY: MIZUDO water heater can be heated with 1440W of power, the L-shaped heating rod gives it a larger heat exchange area with the water in the tank and the 310S stainless steel is more efficient in heat transfer.
  • SAVE SPACE WITH A COMPACT DESIGN: Its compact, streamlined design makes this water heater perfect for homes, RVs, food trucks. In addition to kitchens, bathroom cabinets and washing machine cabinets are also good locations for installation, and it can also be used with dishwashers. The product dimensions are 14.96"W x 18.5"H x 12.80"D.
  • EASY INSTALLATION: Water connection: 1/2" NPT; Electrical requirements: 120 Volts (AC), 1440 watts under voltage; With plug connection (Power cord: 800mm); Maximum water pressure: 150 PSI; Recommended circuit breaker specification: 15 AMPS, ensuring complete electrical safety. MIZUDO electric tank water heater can be wall or floor-mounted in a discreet location.
  • LASTING & DURABLE: The main material is coated with smooth enamel. The tank is evenly covered with a 0.8 mm thick layer of enamel made in Germany, which is corrosion and rust-resistant and leak-proof. The machine has a built-in magnesium rod to protect the tank. The already supplied T&P valve also protects the water heater in case of excessive water pressure.
  • SUITABLE FOR SMALL CARAVANS AND CAMPING: As portable as a tankless water heater, the IPX4 waterproof tested Kitchen Aid can be used widely. It is easy to install on caravan camping and picnic sinks.
  • SAFETY PROTECTION WITH CSA CERTIFICATION: CSA Certification. When it reaches 167 F, the high temperature limiting device will shut off the heat and provide protection. Also, the temperature is adjustable within a range of 55F to 145F. Recommended circuit breaker size: 15 amps, which ensures complete electrical safety. If you have any product questions, please feel free to consult our after-sales team. Note: With plug.

Brand: MIZUDO


Product Dimensions: 14.96"W x 18.5"H


Special Feature: Lightweight, Dry Combustion Protection, Overheat Protection, High Water Pressure Protection, Easy to Install, Anti-Freezing Protection, Pressure Release Valve See more


Color: White & Silver


Wattage: 1440 watts


Brand: ‎MIZUDO


Product Dimensions: ‎14.96"W x 18.5"H


Special Feature: ‎Lightweight, Dry Combustion Protection, Overheat Protection, High Water Pressure Protection, Easy to Install, Anti-Freezing Protection, Pressure Release Valve


Color: ‎White & Silver


Wattage: ‎1440 watts


Voltage: ‎120 Volts


Maximum Flow Rate: ‎4 Gallons Per Minute


Maximum Temperature: ‎167 Degrees Fahrenheit


Heat Output: ‎1.44E+3 Watts


Maximum Operating Pressure: ‎150 Pound per Square Inch


Maximum Pressure: ‎150 Pound per Square Inch


Mounting Type: ‎Wall-mounted, Floor-mounted


Is Electric: ‎Yes


Style: ‎4 Gallon


Manufacturer: ‎MIZUDO


Manufacture Year: ‎2023


Item Weight: ‎20 pounds


Country of Origin: ‎China


Item model number: ‎Etech 40 | 4.0 Gallon


Item Package Quantity: ‎1


Special Features: ‎Lightweight, Dry Combustion Protection, Overheat Protection, High Water Pressure Protection, Easy to Install, Anti-Freezing Protection, Pressure Release Valve


Included Components: ‎Tank Water Heater


Batteries Required?: ‎No


Date First Available: August 22, 2023


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Aug 6

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Great water heater
Model: Etech 80 | 8.0 Gallon
Easy set up water is nice and hot for an RV 2 showers easy
Reviewed in the United States on April 25, 2025 by DAWN PICKARD
    • Dog grooming set up
Model: Etech 80 | 8.0 Gallon
Using in a shed for dog grooming. Fast heat up. Located in SC.
Reviewed in the United States on May 2, 2025 by Heather Maienza
    • Pretty Good!
Model: Etech 80 | 8.0 Gallon
Installation was fairly easy. It was installed in my RV about a a week ago and so far is working well. Good for a quick shower, takes a few minutes to reheat but definiately worth what I paid.
Reviewed in the United States on July 26, 2024 by Connie
    • cost effective
Model: Etech 40 | 4.0 Gallon
fits great works as advertised quick recovery
Reviewed in the United States on April 26, 2025 by roosters lawn service
    • Water leaking out of the front panel cover
Model: Etech 80 | 8.0 Gallon
Review Image by Tammy Davis Tammy Davis
I bought this small water heater for our shop, when I saw it it was perfect size and the price was great. I bought it in late April 2024, but we weren’t finished with the bathroom, so we stored it in our other garage until ready to install. We took it out the box last week to install, and it was just as I had looked at it when I received it and opened it for any damage. So, hubby hooked it up, and turned it on. No leaks so he left it to fill up and came back awhile later and noticed water on the floor. So he turned it off, dried everything and begin checking for loose connections, all was good. It still was leaking and he saw it was key from thr front panel, he took it off and it’s leaking all inside of it. I will not buy anything like this again until it’s ready to be installed because I cannot return it now. Very disappointed in receiving a brand new water heater that I cannot use or return. Head my warning, don’t buy u til you are ready for it, even if it’s on sale! ... show more
Reviewed in the United States on December 12, 2024 by Tammy Davis Tammy Davis
    • Works as expected
Model: Etech 25 | 2.5 Gallon
We’ve had no issues with this small heater. We sell eggs commercially and they have to be washed, so this heater is hooked up to our egg washing machine. The only downside is determining how warm the water is by having to use a thermometer. The price is very reasonable.
Reviewed in the United States on September 16, 2024 by K K Schwartz
    • enough water to take a quick shower ...
Model: Etech 80 | 8.0 Gallon
easy to install ... only had one little setback -- the pressure relief valve. i tried 4 times wrapping the threads with the included teflon tape, but always got a small leak. so, i did it the 'old-school' way -- first, i wrapped the threads with about 6 layers of teflon, then i coated the tape with black enamel paint. i tightened her down, then let it sit overnight with the water off. next morning, when i turned the water back on -- no leaks! ... show more
Reviewed in the United States on October 4, 2024 by thomas rung
    • Easy to install and produces very hot water
Model: Etech 80 | 8.0 Gallon
Review Image by IndianaGirl IndianaGirl
Bought this for a houseboat. So far it has worked great. Be sure to adjust the temperature because it produces very hot water!
Reviewed in the United States on June 6, 2024 by IndianaGirl IndianaGirl

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