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Top 8
June 2025
Best Sink Water Heater 120v
We made a list of the top 8 Sink Water Heater 120v based on verified reviews, popularity and other factors which we summarized for you in this list.
Best Choice
1
sjcdicnj 110V-120V 1500W Small Under Sink Tank 2.5 Gallon Water Heater Hot Storage,Mini Instant Tank Water Heater Electric RV TR Trailer Kitchen Compact Point-of-Use
sjcdicnj
10.0
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【High Efficiency】: The powerful 1500W and high-quality 316 stainless steel heating tubes allow the water to heat up for hot water in 15-30 minutes. Moreover,equipped with a knob and LED display, you can easily control the heating temperature (32°F-149°F) with an easy-to-use knob for simple operation.
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【Build to Last】: Water heater made of high-quality ABS, 304 stainless steel, 316 stainless steel, and an injection molding process, which is sturdy, impact-resistant, heat-resistant, and waterproof, so it can withstand wet environments such as kitchens or bathrooms.
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【Space-saving】: It is compact (11.42*11.42*11.42in) without a large tank, making it suitable for a small space. It can be mounted on the wall, which will not take up your countertop space.
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【Large Capacity】: Thanks to its 2.11Gal capacity, you can wash multiple sets of utensils at a time, which can meet the heating needs of your family's daily life.
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【Safety Guard】: Anti-leakage protection, anti-dry burn protection, overheating protection, and IPX4 waterproof level provide this electric water heater with high safety, allowing you to use this water heater with LED display confidently.
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2
LECLOC 3kW 120V Mini Instant Hot Water Heater Under Sink, Enlarged LED Digital Display, Knob Control, Multi-protection, IPX4, 30-55℃ Thermostatic Tankless Point of Use Electric Water Heater with Plug
LECLOC
9.0
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✓
Easy to Use: Stylish enlarged LED digital display with knob control, this 3kW 120V point of use water heater is very easy to use. 1 knob for power ON/OFF and temperature adjustment, offering a better user experience than others 3 mini touchscreen buttons. You can adjust the temperature between 30℃ and 55℃
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Multi-protective and Smart: Every Lecloc water heater undergoes strict tests to ensure the safety of use. This small tankless hot water heater is designed with multiple protections, including leakage protection, overheat protection, dry combustion protection, high water pressure protection, IPX4 waterproof and is drop-test passed. Also this small electric water heater has the function of automatic fault diagnosis, fault code displayed. And has constant temperature memory, automatically reverts to the most recently or frequently used temperature when restarting, very safe and intelligent to use
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Efficient: The 3kW 120V under sink hot water heater is suitable for 1 point of use. It can provide 24-hour endless instant hot water without the need for preheating, saving much compared to tank water heaters
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Widely Applicable: Whether you need hot water for sinks in kitchen, bathroom, laundry, basement, offices, apartment dormitory, garage, bar, or hair salon, this on demand small water heater has you covered. The compact design under sink tankless water heater can be installed anywhere
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Note: This 3kW 120V electric small water heater is designed for sinks, not for full-body shower
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15% Discount
3
KENUOS 4 Gallon Water Heater Under Sink Instant Hot Water Heaters 1500W 110V 120V Mini Tank,Under Counter Water Heater with Safety Vavle 1/2" NPT for Kitchen,Bathroom,Camper,RV, White
KENUOS
8.8
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Customer Friendly 4 Gallon Water Heater:KENUOS 4 gallon water heater has upgraded an independent pressure relief valve.besides,this 110v tank water heater is filled with cpc free foam inside.not only does it focus on the safety performance during use,but it also pays attention to the energy-saving and insulation effect of small water heater.this small water heater is ideal choice for customers
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Adjustable Temperature:KENUOS 110v water heater supports knob adjust,range from 86°f to 149°f temperature control,making temperature adjustment more intuitive and convenient
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On Demand And Perfect Insulation:This 120v 4 gallon water heater supports fast heating.it's thermal efficiency is up to 95%,providing on demand hot water in 5-10 minutes,instant hot water is always at point of use.polyurethane cfc-free filling layer greatly improved insulation performance.it not only improves your hot water usage experience,but also saves you energy expenses
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Durable Quality And Excellent Security:KENUOS 4 gallon instant hot water heater has adopted security designs.integrated molding stainless steel tank,overheat protection design,leakproof pressure release valve,ul certificated cord.excellent manufacturing processes and safety design are aimed at maximizing the improvement of your product user experience
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Precautions for Under sink Instant Water Heater : According to the questions raised by the customer based on the picture, if the pressure relief valve is not tightened, it may cause water leakage.It is recommended that you install the pressure relief valve and tighten it.If you have any problems or malfunctions, please notify us in a timely manner, and we will provide you with thoughtful after-sales solutions
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15% Discount
4
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
BOSCH
8.6
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✓
CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
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LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
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INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
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FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
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EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
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Wattage: 1440.00 W
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5
ECOTINYMACH 110V Tankless Water Heater Electric, 3000W Compact Water Heater Under Sink, Conveniently Convertible Between Fahrenheit and Celsius
ECOTINYMACH
8.5
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Compact Design: ECOTINYMACH's tankless water heater is designed with a compact footprint, offering an efficient solution for heating water without consuming unnecessary space.
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Convertible Temperature Scale: Unique feature of our heater allows you to switch between Fahrenheit and Celsius temperature scales conveniently, enabling you to monitor the water temperature in a scale that suits you best.
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Easy Installation: Designed with simplicity in mind, our tankless water heater can be installed quickly and easily, saving you time and effort.
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Electric and Energy Efficient: Being electric and tankless, this water heater from ECOTINYMACH is not only efficient but also environmentally friendly, helping you save on your energy bills and reduce your carbon footprint.
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Installation instructions: Circuit breaker ≥ 32AMP, thread size: 1/2 "NPT, wire requires 2.5mm ² (13AWG),
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6
Ganggend 2.5 Gallon Electric Water Heater,110V-120V 1500W Under Sink Hot Water Heater,Mini Tank Water Heater Electric with Pressure Release Vavle,Digital Display
Ganggend
8.4
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✓
MEET HOT WATER NEEDS AT ANYTIME:This electric water heater can eliminate waiting time for hot water with fast recovery, reducing standby loss.Durable stainless steel tank and excellent insulation lining materials make thermal efficiency up to 90%,and improve the insulation performance of the water heater,6-minute rapid heating for constant hot water at your every need
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PREMIUM QUALITY AND EXCELLENT SAFETY:Our on demand hot water heater electric is equipped with an automatic pressure relief valve,which can provide overheating protection.High temperature calcination coating,enamel coating,low-carbon stainless steel makes the water heater more corrosion-resistant, anti-scaling,which extend the service life of the water heater,greatly improving safety when in use.Leakproof design,insulation material and data display screen complement it.Making it both quality and safe at the same time
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ADJUSTABLE AND VISUALIED TEMPERATURE:Our water heaters are equipped with a digital display for clearer temperature control during adjustment and use.Support mechanical knob adjustment,temperature range from 86°F to 149°F
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SMALL COMPACT AND WIDELY USE:2.5 gallons hot water heater electric with 11.4"L x 11.4"H x 10.4"W compact design,can be under sink,shelves,wall,or floor-mounted saves more space,suitable for kitchens, bathrooms, RVs,Rs,Etc.Provide hot water wherever you need it
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EASY TO INSTALL AND ENERGY SAVING:110V 120V1500W electric water heater is suitable for 1/2" NPT water hose connection, plug-in connection with 3-feet power cord,available 110V/120V home power and generator.Only 0.15 kWh of electricity is consumed for one heating.Save on electricity and water consumption
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7
110V-120V 1440-1500W Small Under Sink Tank 2.5 Gallon Water Heater Hot Storage,Mini Instant Electric RV TR Trailer Kitchen Compact,Food Truck 2 PCs 16” Long 1/2”FIP Stainless Steel Hose (BI-2.5)
BISELONG
8.0
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✓
【Rapid Temperature Recovery】The BISELONG water heater is made from 0.04inch (1.1mm) thick 304 stainless steel and uses laser welding technology, ensuring it never rusts, withstands high pressure, and doesn't leak! The 1500w "L" shaped heating element increases the heat exchange area with the water in the tank, speeding up the heating process and eliminating the long wait for hot water beside the sink! (It can heat up to your desired temperature in 8-15 minutes for up to two sinks at a time).
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【Energy-Saving Smart Inverter】Automatically keeps water warm and stores hot water. The compact 2.5-gallon tank can be installed under the sink, with a thermal efficiency of 98% and a maximum temperature of 149℉. It has a built-in smart chip that heats to the temperature you set, and when it reaches the desired temperature, it automatically insulates to keep the heat in.
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【Compact Design Saves Space】BISELONG has always been committed to original design! Its compact, square design makes this water heater ideal for homes, under sinks, RVs, food trucks, and more. It can be installed in cabinets or used in conjunction with washing machines and dishwashers. The product dimensions are 13.0''L x 11.4''W x 10.6''H inches.
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【Easy Installation】Water connection tube is 1/2''FPI, electrical requirements: 120v (AC), single voltage: 1500w with plug connection wire, maximum water pressure 108PSI, recommended circuit breaker rating: 15Amps, BISELONG electric water heater can be installed on walls or floors, in a concealed position.
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【Accessories】2 PCs 16" Long 1/2" FPI x 3/8" OD Comp Stainless Steel Water hose, 1 Pressure Relief Valve, 1 Tee Fitting. Complete accessories, fast installation, no additional cost or preparation time required!
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【Product Upgrade】On June 25, 2023, the product was fully upgraded—the water heater’s 304 stainless steel lining will be thickened to 0.04 inches (1.1 millimeters), providing a longer service life, and the unit weight increased to 8.4lbs (3.8 kilograms). The insulation material and foam insulation were replaced, improving the Improved insulation effect, making it more energy-efficient!
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【Customer Service】If there are any quality issues with the product or problems with installation, you can contact us at any time. Our customer service is online for 16 hours!!
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【Note】Due to the improvement in product quality, the warranty period for water heaters purchased after July 4, 2023, is 2 years. According to buyer feedback, some water heaters had quality issues. Based on the photos provided by the buyers, it was found that they mistakenly installed the pressure relief valve at the outlet (red end)!
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8
Rheem 3.5kW 120V Point of Use Thermostatic Tankless Electric Water Heater
Rheem
6.2
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✓
Endless On-Demand Hot Water - Consistent hot water when you need it that never runs out
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Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
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Save Space - Rheem Professional POU T tankless electric water heaters are 90% smaller than traditional tank heaters, great for point-of-use installation
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Save Energy - only heats water when in use
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