Tankless Water Heater Electric 110V, 3000W Under Sink Instant On Demand Hot Water Heater, Portable Mini Water Heaters with Digital Display for Kitchen Bathroom RV (Pure White, M)
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Features
- Tankless Water Heater Electric DDAYBF 110V Mini Tankless Water Heater Electric delivers hot water in 3-5 seconds flatno preheating, no waiting around for sink-side hot water! Reaches a max temperature of 55C/131F, providing endless comfortable hot water for washing dishes, hands, fruits, clothes, and more. Perfect for replacing bulky tank-style heaters that waste energy on constant heating
- Multi-Layer Safety Protection Built for peace of mind with IPX4 waterproof rating, leakage protection, dry-burn prevention, overheat protection, and auto-shutoff when idle . The LCD digital display lets you monitor operating status in real time, while intelligent detection ensures consistent performance and safetymeets North American electrical safety standards
- Space-Saving & Versatile Design Compact wall-mounted design frees up valuable counter and storage space, making it ideal for kitchens, apartments, bathrooms, RVs, and camping trips . This point-of-use water heater is portable enough for on-the-go hot water needs, yet powerful enough to handle daily household tasks
- Easy Installation & Dual Temperature Modes Comes with pre-drilled mounting holes, English instructions, and 1/2-inch NPT standard connections for quick DIY setup. Important: Requires 13AWG (2.5mm2) wiring and a 32AMP+ circuit breaker (critical for safe operation). Switch seamlessly between Celsius and Fahrenheit by holding the power buttonperfect for US/Canadian users
- Energy Efficient & 24-Month Warranty Boasts 99% thermal efficiency (far higher than tank heaters) with adjustable power output that adapts to water flow and temperature settings . Reduces energy waste by using only whats needed, cutting utility costs. Backed by a 2-year warranty and 24/7 supportpackage includes heater, 4 mounting screws, and user manual
Brand: DDAYBF
Product Dimensions: 4.6"W x 7.8"H
Color: Pure White
Wattage: 3000 watts
Voltage: 110 Volts
Brand: DDAYBF
Product Dimensions: 4.6"W x 7.8"H
Color: Pure White
Wattage: 3000 watts
Voltage: 110 Volts
Maximum Temperature: 131 Degrees Fahrenheit
Manufacturer: DDAYBF
UPC: 725086609175
Item Weight: 2.4 pounds
Item model number: Tankless Water Heater Electric
Size: M
Included Components: Tankless Water Heater Electric
Batteries Included?: No
Batteries Required?: No
Date First Available: November 19, 2024
Frequently asked questions
This product is currently out of stock. Please check back later for shipping info.
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Learn more about financing & leasing here.
Top Amazon Reviews
Color: Pure White
Size: M
Feels heavy duty. It is small and can be installed in the small area. Perfect for outdoor shower. Nice!
Reviewed in the United States on November 29, 2025 by Julie Thurston Julie Thurston
I live in an old apartment building where the hot water tank is downstairs and it takes a minute and a half of running the tap for the water to finally heat up in my third-floor kitchen sink. That's a ton of wasted water and energy. I put this under-sink instant water heater in, and it completely solved the problem. The fact that it delivers hot water in 3-5 seconds flat means I can rinse dishes, wash fruits, and clean up small messes immediately without waiting. It only heats the water when I turn the tap on, unlike the giant tank heater downstairs that runs constantly. The 99% thermal efficiency claim makes sense; my utility bill should definitely reflect the savings. I’m an apartment dweller, and the compact size is a lifesaver—it doesn't hog the limited space under the counter. The LCD digital display is easy to read. If you’re a renter or living in a condo and dealing with long waits for hot water at a specific fixture, this is an excellent space-saving, energy-efficient upgrade that makes kitchen tasks much easier.
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Reviewed in the United States on November 20, 2025 by Danny
I like soaking in hot baths, but the water cools faster than I want, so I tried this immersion heater. The size works well in my bathtub without getting in the way. The heating shell is made of stainless steel, which holds up well against water and does not rust easily. It has waterproof protection and a shutoff feature that turns it off if anything unusual occurs, which makes it feel safer to use. The heating speed is quick, and the temperature stays steady instead of rising too much. Now I can warm the bath before getting in and enjoy consistent heat the whole time. It has made my nightly routine easier and more relaxing.
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Reviewed in the United States on November 20, 2025 by Andromeda
I installed this in my travel trailer for the kitchen sink. The size works well in the limited space. Following the wiring instructions was important for safe operation. The water heats up quickly at medium flow settings. I use it for washing dishes and quick rinses. The display is readable in different lighting conditions. After a few months of use, it has handled road vibrations without issues. For smaller spaces where immediate hot water is needed, this unit performs as expected. The purchase included all necessary mounting hardware.
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Reviewed in the United States on November 23, 2025 by Bryna
This tankless water heater is compact, efficient, and perfect for under-sink installation. The 3000W power provides instant hot water without the wait, which is very convenient for kitchens, bathrooms, or small apartments. I also like that it’s easy to switch between Fahrenheit and Celsius, making it simple to monitor and adjust the temperature. The installation was straightforward, and the unit fits neatly in tight spaces thanks to its compact design. It heats water quickly and consistently, and the build quality feels solid and durable. Overall, it’s a practical and space-saving solution for anyone needing reliable on-demand hot water without a large tank.
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Reviewed in the United States on November 18, 2025 by Great
This instant water heater is very compact and heats up quickly. When not in use, it can be stored in a cabinet, taking up minimal space. Its small size doesn't compromise its performance; it still provides a comfortable water temperature quickly and efficiently while maintaining a steady water flow. On a cold morning, I can immediately enjoy a comfortable water temperature for showering—very convenient. Furthermore, it has built-in overheat protection and rust prevention, so I don't need to worry about safety during use.
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Reviewed in the United States on November 24, 2025 by Map
This DDAYBF tankless water heater delivers impressive performance with its quick heating capability and compact design. The unit provides hot water within seconds of activation, eliminating waiting time for everyday tasks. The digital display clearly shows temperature settings and operating status at a glance. The wall-mounted design saves valuable counter space while remaining easily accessible. The adjustable temperature modes accommodate different preferences and uses. The unit works efficiently for various applications, from kitchen tasks to bathroom needs. The portable size makes it suitable for use in RVs or small apartments. The simple installation process requires minimal tools and time. The sleek white finish complements various decor styles without being obtrusive. The product arrives with all necessary components and clear instructions for immediate use.
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Reviewed in the United States on November 18, 2025 by Wharton Miller
The installation process was simple, and the unit works perfectly with my home’s electrical setup. The temperature control is precise, and I can adjust the water to the ideal warmth with no fluctuations. It’s also very energy-efficient, which makes it environmentally friendly and helps reduce electricity bills. I’ve used it every day since installation, and it has proven durable and consistent. The sleek design and quiet operation are added bonuses.
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Reviewed in the United States on November 27, 2025 by Damon Salvatore