10 Best under sink hot water heater

No More Wait for Hot Water - Point of use 1.3 gallons mini tank water heater provides instant hot water where you need it with fast recovery, reducing standby loss. Thermal efficiency up to 99%

Easy Installations - Dimensions 11.42" x 11.42" x 9.65" compact design, can be wall or floor mounted under sink / counter, plug into a standard 120V outlet, no special wiring required. Nominal current 12amps

Adjustable Temperature - Thermostat with 3 temperature level settings, range from 77°F to 140°F with high temperature limit protection, also a freeze mode to prevent tank from freezing

Premium Quality & Durable - Glass-lined tank for great insulation, temperature and pressure relief valve included, UL listed, ensuring a long service life

Specifications and Warranty - Dimensions: 11.42"H x 11.42"W x 9.65"D; Weight: 11 lbs; Water connections: 1/2" NPT, Electrical requirements: 1.44 kW at 120 volts, plug-in connection with 2 feet power cord; Max water pressure: 150PSI; Nominal current: 12A. 3-year Limited Warranty for the tank, 1-year warranty for parts and 24hours customer service

2.5 GALLONS ELECTRIC MINI-TANK WATER HEATER - DAORDAER Mini Tank Electric Water Heater stores up to 2.5 Gallons of water With 1.5 KW output, it heats water up quickly. Its fast recovery rate eliminates the long wait for hot water at your sink. Thermal efficiency is 98%, Maximum temperature reach 167℉, It is the perfect companion for sinks, bringing you a perfect experience of comfort and relaxation.

86 ℉ TO 149℉ KNOB ADJUSTMENT - Our electric water heater is equipped with a knob to adjust the temperature, 86 ℉ TO 149 ℉ can be set freely to achieve a constant temperature effect.Automatic heat preservation and storage of hot water, The built-in smart chip heats up to the temperature you set, and automatically Insulation when heated to the specified temperature.（Note： Wait for 10-20 minutes for the first heating. When the heat preservation lamp is on, you can turn on the tap and use it）

SAFE DURABLE & ENERGY EFFICIENT - DAORDAER instant water heaters under sinks are stainless steel tanks designed for efficiency and durability. anti-pressure, explosion-proof and corrosion-resistant, keep your water cleaner. Multiple safety protection functions protect you from the risk of scald, leakage, or other injury.98% Thermal efficiency to help reduce energy and costs.

EASY TO INSTALL - 2.5 gallons on demand hot water heaters are compact and easy to install in the bathroom, kitchen, and under the sink. The cold water pipe has a safety valve, which is marked with a water pressure of 0.75MPa. When the water pressure in your home is greater than this value, the safety valve will automatically drain.

SAFE TO USE - With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe, on-demand hot water to use on your schedule. And continue to keep warm for a long time under the state of electricity.

💧 Point of Use Design The GEESEN 3.6 GALLON Electric Water Heater is designed to provide immediate hot water at various points of use, making it ideal for homes, offices, and small commercial settings.

👌 Adjustable Thermostat Equipped with a precise adjustable thermostat, this water heater allows you to set and maintain the perfect water temperature for your needs, ensuring comfort and energy efficiency.

🔌 Standard 120-volt electrical connection , this water heater is easy to install without the need for specialized electrical work, fitting seamlessly into most residential and light commercial environments.

🏠 Compact and Durable Its compact design saves space, making it suitable for installation in tight spots. The stainless steel construction ensures durability and resistance to corrosion, providing a long-lasting hot water solution

💧 Drain Valve Includes a built-in drain valve for easy maintenance and hassle-free water drainage. This feature simplifies the process of cleaning and maintaining the unit, prolonging its operational life.

🔧 Easy Installation The compact and versatile design allows for straightforward installation in various locations. Detailed installation instructions are included, ensuring a hassle-free setup process.

🍃Save Money $:The 1.5KW power rating ensures low energy consumption, reducing electricity bills without compromising performance.Designed to provide maximum efficiency with minimal energy usage, making it an economical choice for your hot water needs.Unique insulation technology enables your thermal energy to last longer without wasting a penny，We are truly an environmental protection product

INSTANT HOT WATER & RAPID RECOVERY OF TEMPERATURE: Ganggend Under Sink Water Heater with Mini Tank is 1500W, equipped with L-shaped heating rods to maximize the heat exchange with the water in the tank, with a thermal efficiency of up to 90%, and delivers hot water in 6 minutes, no need to wait for hot water for a long time

COMPACT DESIGN SAVES SPACE: This 2.5 gallon water heater's compact design makes it ideal for tight spaces. It can be placed under sinks, under counters, in cabinets. Suitable for kitchens, bathrooms, laundry, RVs, Etc. Saves more space and is easy to use. Product dimensions are 14.57"W x 13"H x 13.38"D

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

ADJUSTABLE AND VISUALIED TEMPERATURE: Our water heaters are equipped with a Digital Display for clearer temperature control during adjustment and use. No more worrying about inaccurate temperature control. Support mechanical knob adjustment,temperature range from 86°F to 149°F

EASY INSTALLATION: This under sink instant water heater has a 33-inch power cord plug to connect to 110V/120V home power and generator. Suitable for 1/2” NPT plumbing connections. Two 24 inch 1/2” FIP x 3/8” COMP Faucet Hose are included for ease of use. The nuts contain silicone sealing tabs for a tight seal without the need for Teflon tape

𝐔𝐋𝐓𝐑𝐀-𝐂𝐎𝐌𝐏𝐀𝐂𝐓 𝐃𝐄𝐒𝐈𝐆𝐍: This compact instant hot water heater features a robust ABS casing and solid brass inlet/outlet fittings, ensuring durability and excellent corrosion resistance. LED display showing real-time water temperature. Slim, elegant design fits perfectly under sinks. Operates on 110V plug-in power. Note: Ideal for hand washing/sink use; the portable water heater not suitable for showering (requires ≥ 1.8 GPM)

𝐈𝐍𝐈𝐍𝐒𝐓𝐀𝐍𝐓 & 𝐏𝐎𝐖𝐄𝐑𝐅𝐔𝐋 𝐇𝐎𝐓 𝐖𝐀𝐓𝐄𝐑: The 3000W electric water heater delivers instant, continuous hot water with a temperature rise up to 122° F at 0.5 GPM. Can be adjusted directly via the faucet or flow control valve, large water flow and low temperature, small water flow and high temperature. The tankless electric water heater can set Fahrenheit or Celsius degrees by holding a power button for 6 seconds

𝐌𝐔𝐋𝐓𝐈-𝐋𝐀𝐘𝐄𝐑𝐄𝐃 𝐒𝐄𝐂𝐔𝐑𝐈𝐓𝐘 𝐏𝐑𝐎𝐓𝐄𝐂𝐓𝐈𝐎𝐍: Electric tankless water heaters achieve up to 98% thermal efficiency, delivering significant energy savings. Equipped with multiple safety protections, including IPX4 water resistance, leakage protection, dry-burn protection, water/electricity isolation, and automatic overheat shutdown. Designed to ensure safe operation in diverse indoor environments

𝐄𝐀𝐒𝐘 𝐕𝐄𝐑𝐓𝐈𝐂𝐀𝐋 𝐈𝐍𝐒𝐓𝐀𝐋𝐋𝐀𝐓𝐈𝐎𝐍: The on demand water heater features a compact design, making it ideal for kitchens, apartments, RVs, and camping. Includes English instructions, mounting screws, and a 1/2-inch NPT standard connection. Water heaters require dedicated wiring for safe operation, use ≥ 2.5 mm² wire and connected to trip switches of over 32A for use. Important: Must be installed vertically to prevent E2 fault

𝐎𝐔𝐓𝐒𝐓𝐀𝐍𝐃𝐈𝐍𝐆 𝐂𝐔𝐒𝐓𝐎𝐌𝐄𝐑 𝐒𝐄𝐑𝐕𝐈𝐂𝐄: We provide prompt and friendly customer support to assist you with any questions regarding this compact water heater. Should you encounter any issues while using your tankless water heater, feel free to contact us at any time. We will respond quickly and provide you with a solution

【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).

【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 99% 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.Additionally, it helps reduce scale buildup!

【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.

【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.

【Safety protection】 Certified by CE, ROHS, and FCC for safety and reliability. Electrical insulation at the entrance/exit. Leak proof plug. High quality insulation material with high temperature limiting device and automatic temperature control. Multi layer protection ensures safety.

【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!

【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!！

【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)!

INSTANT HOT WATER & RAPID RECOVERY OF TEMPERATURE: Ganggend Under Sink Water Heater with Mini Tank is 1500W, equipped with L-shaped heating rods to maximize the heat exchange with the water in the tank, with a thermal efficiency of up to 90%, and delivers hot water in 6 minutes, no need to wait for hot water for a long time

COMPACT DESIGN SAVES SPACE: This 2.5 gallon water heater's compact design makes it ideal for tight spaces. It can be placed under sinks, under counters, in cabinets. Suitable for kitchens, bathrooms, laundry, RVs, Etc. Saves more space and is easy to use. Product dimensions are 11.4"W x 11.4"H x 10.6"D

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

ADJUSTABLE AND VISUALIED TEMPERATURE: Our water heaters are equipped with a Digital Display for clearer temperature control during adjustment and use. No more worrying about inaccurate temperature control. Support mechanical knob adjustment,temperature range from 86°F to 149°F

EASY INSTALLATION: This under sink instant water heater has a 33-inch power cord plug to connect to 110V/120V home power and generator. Suitable for 1/2” NPT plumbing connections. Two 24 inch 1/2” FIP x 3/8” COMP Faucet Hose are included for ease of use. The nuts contain silicone sealing tabs for a tight seal without the need for Teflon tape

Instant Hot Water Heater-The Aokawa 2.5 Gallon Electric mini tank water heater rapidly heats water, minimizing your wait time and efficiently meeting your hot water needs. The 316 stainless steel heating element achieves up to 99% heat utilization. The temperature is adjustable from 86-167°F for simple, convenient operation.

Perfect Insulation- The point of use electric water heater mini tank supports fast heating. Its thermal efficiency is up to 97%, providing on-demand hot water in 5-10 minutes. Instant hot water is always at the point of use. The polyurethane CFC-free filling layer greatly improved insulation performance. It not only improves your hot water usage experience but also saves you energy expenses.

Compact and Streamlined Design - Efficient and space-saving, can be installed under the sink. Perfect for RVs, camping sites and other places where hot water supply is needed, such as kitchens, bathrooms, garages, dining cars, offices, and salons.

Easy Installations - Under sink water heater 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. 110-120V AC plug in and 3/4" NPT water connections. Maximum water pressure: 150 PSI. Product dimension: 14.42" W x 14.42" H x 14.42" D.

Peace of Mind- The water heater has multiple protections, IPX4 waterproofing, and can withstand high temperatures and pressures. It comes with a 2-year warranty and a professional customer service team.

Package Included: Teflon tape * 1, Converter hose * 2, Mounting kits * 1, Fine water pipe * 1, T&P valve * 1, 3-way valve * 1.