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DOYXC

Tankless Water Heater Electric 110V, 3000W Under Sink Instant On Demand Hot Water Heater, Portable Mini Small Water Heaters with Digital Display for Kitchen Bathroom RV

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Holiday Deal · 84% off was $374.99

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This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026

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Availability: In Stock.
Fulfilled by Amazon
Arrives Saturday, Dec 20
Order within 4 hours and 57 minutes
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Features

  • INSTANT HOT WATER HEATERWith DOYXC Mini tankless water heater electric 110v, you will say goodbye to long waiting time for hot water, this 110 volt water heater electric uses advanced technology to get hot water in 3 -5 seconds, no need to preheat, eliminating the long waiting time for hot water by the sink! Electric tankless water heater can reach a maximum temperature of 55C/131F, instant hot water is always available.
  • SAFETY INTELLIGENCE RELIABLEThis under sink water heater electric has multiple protection features. ipx4 waterproof, leakage protection, dry burning protection, super mild and automatic power off in non-working condition. Tankless hot water heater with LCD digital display, intelligent detection of working status and performance to ensure safety.
  • COMPACT PORTABLE DESIGNThis small water heater electric has a compact design, perfect for spaces such as kitchens, apartments, bathrooms, RVs and camping. This on demand water heater is wall-mounted, freeing up valuable space in your home so you can enjoy hot water whenever and wherever you need it. Point of use water heater produces comfortable water temperatures for washing food, dishes, clothes, faces, hands and more.
  • EASY INSTALLATION & IMPORTANT NOTESThis on demand hot water heater electric has a simple design and is quick and easy to install, saving time and labor. Our instant water heater under sink comes with pre-fabricated set screw holes, English instructions and 1/2 inch NPT standard connections. TIP: Electric water heater wiring requires 2.5mm 2 (13AWG) with a circuit breaker 32AMP.
  • ENERGY EFFICIENTThe instant hot water heater under sink utilizes a variable frequency design that automatically adjusts the input power according to the flow rate and temperature settings. Unlike tank-type water heaters, Electric water heater tankless have a thermal efficiency of up to 99%. When the water flow rate decreases, the system will consume the least amount of electricity, effectively reducing energy waste.
  • CONVERTIBLE TEMPERATURE SCALEThe tankless hot water heater electric is available in either Celsius or Fahrenheit. Turn on your instant water heater and press the on/off button for a few seconds to switch between Celsius and Fahrenheit, allowing you to monitor the water temperature on the scale that best suits you.
  • QUALITY GUARANTEEWe offer a 24-month warranty on our instant hot water heater. If you encounter any after-sales issues regarding your small water heater, you can always contact our tankless electric water heater support team. Package includes: mini tankless water heater electric x1, screws x4, instruction manual x1.

Brand: DOYXC


Product Dimensions: 4.53"W x 8.87"H


Special Feature: Dry Combustion Protection, LED Display, Lightweight, Portable, Temperature Lock


Color: White


Wattage: 3000 watts


Brand: ‎DOYXC


Product Dimensions: ‎4.53"W x 8.87"H


Special Feature: ‎Dry Combustion Protection, LED Display, Lightweight, Portable, Temperature Lock


Color: ‎White


Wattage: ‎3000 watts


Voltage: ‎110 Volts


Maximum Flow Rate: ‎2.9 Microliters Per Minute


Maximum Temperature: ‎131 Degrees Fahrenheit


Heat Output: ‎3000 Watts


Efficiency: ‎High Efficiency


Mounting Type: ‎Under Sink


Is Electric: ‎Yes


Manufacturer: ‎DOYXC


Item Depth: ‎4.0 Inches


UPC: ‎795205230009


Part Number: ‎Portable Water Heater - AB001


Item Weight: ‎2.57 pounds


Item model number: ‎3000W Instant Hot Water Heater


Special Features: ‎Dry Combustion Protection, LED Display, Lightweight, Portable, Temperature Lock


Included Components: ‎water heater


Batteries Required?: ‎No


Date First Available: October 9, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Dec 20

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.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • 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

    • 💯
This water heater works perfectly for its size. It is comfortable, compact, and very easy to install. I used it in my RV, specifically in the sink that I only use for washing dishes, and it performs its function very well. It heats water quickly and makes chores much easier. Definitely a great option for small spaces. ... show more
Reviewed in the United States on December 12, 2025 by Eliany
    • With its 3000W, it can raise the water temperature in seconds
This model is an instant water heater, designed to be installed under the sink, in small kitchens, RV/campers, or spaces where you need fast hot water without taking up much space.
Reviewed in the United States on December 10, 2025 by Doris Tamayo
    • Tankless Water heater
Easy to install good water temperature control good quality
Reviewed in the United States on December 10, 2025 by Angie
    • Instant hot water and works perfectly
This mini water heater has been a huge upgrade for my sink. It heats up quickly and keeps the water temperature steady, so there’s no waiting around. The fit is perfect for under the counter, and installation was simple. I’ve had zero issues with leaks, and the build feels solid and rust-resistant, so I’m confident it will last a long time. It’s compact but powerful, and it’s been working flawlessly since day one. If you need a reliable point-of-use water heater that’s easy to install and delivers hot water fast, this one’s an excellent choice. ... show more
Reviewed in the United States on November 27, 2025 by vincent lomento
    • Nice Product!
This Tankless Water Heater is a smart, space-saving choice for light-duty use at the point of use. The dual °F/°C display and energy-efficient design make it a practical choice for small bathrooms, RVs, or outdoor wash stations. However, this unit is not ideal for consistent multi-fixture use or areas with colder water, and its performance depends on proper circuit configuration. ... show more
Reviewed in the United States on November 27, 2025 by jan davenport
    • I loved it
This heater solved my problem instanly. The water gets hot fast and stays hot. Perfect for dishes, hand washing and light cleanup. Installation was very easy it didnt require any special wiring or plumbing skills. I mounted it to the wall on the cabinet under the sink, and it fits perfectly without taking up much space. If you are looking for a dependable point of use water heater that actually does what it says, this is worth every penny. Highly recommend! ... show more
Reviewed in the United States on November 27, 2025 by Amazon Customer

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