The 10 Best Under Single Sink Inline Instant Hot Water Heater

Get hot water where it’s needed, when it’s needed with the Bosch ES4 Tronic 3000 T Electric water heater. This 2.5-gallon capacity point-of-use mini-tank fits right under your sink and provides a practical and effective solution to your hot water needs. This smaller model can be plugged right into a 120-volt outlet with the 36-37″ cord, or can be installed in-line with a larger hot water source to provide “on-demand” use. The glass-lined tank offers great insulation and added durability, while the heater’s fast recovery rate eliminates long waits for hot water. An external dial allows you to easily control the temperature range, and the temperature-and-pressure relief valve enhances your safety. The ES4 Tronic 3000 T from Bosch has a sleek and attractive exterior design that blends in seamlessly with existing décor when installed in a visible location, making this heater a great option in any room.

Product Description

This electric tankless water heater is a true Point of Use Model because it is specifically designed for under the sink, single applications with a maximum flow rate of 0.5-Gallon per minute (gpm) and includes a 0.5 gpm sink aerator. This heater is flow controlled, meaning the temperature will adjust according to flow rate. It is the smallest sized Ecosmart electric tankless model and should not be used to run anything more than one sink at a time or used in areas where inlet water temperature is lower than 57°F. At this inlet temperature the ECO POU 3.5 can heat 0.5 gallons per minute to 105°F. Its compact size allows for under the sink installations. The Point of Use models are ideal for: Wet Bars, Strip Malls, Doctor’s Office, Boats, Recreational Vehicles (RVs), Bathroom Sinks. When sized properly this water heater will provide endless hot water. Prior to purchase and installation please verify this model is the right size for the expected demand and electrical requirements. The Eco POU 3.5 requires a minimum 100 amp electrical panel for installation with (1) 30 amp single pole breaker connected to #10 awg wire. Plumbing connections are 1/2″ NPT. For additional assistance please feel free to contact our support center at 877-474-6473. TROUBLE SHOOTING STEP: When the water is not hot enough, please slow down the flow of water to increase temperature!

From the Manufacturer

This electric tankless water heater is a true Point of Use Model because it is specifically designed for under the sink, single applications with a maximum flow rate of 0.5-Gallon per minute (gpm) and includes a 0.5 gpm sink aerator. Its compact size allows for under the sink installations. The Point of Use models are ideal for: Wet Bars, Strip Malls, Doctor’s Office, Boats, Recreational Vehicles (RVs), Bathroom Sinks. Prior to purchase and installation please verify this model is the rights size for your hot water needs and electrical requirements.

FEATURES

Instant hot water comes with powerful 5.5kW heating element, expect hot water for 3 seconds, perfect choice for sinks to provide endless hot water any time.

ENERGY SAVING

This tankless water heater avoids standby heat loss of those bulky storage water heaters, minimize energy waste and achieve 65% energy saving with help of its smart self adjustment technology.

HEALTHY WATER QUALITY

Traditional bulky water tanks store water for long time, causing bacterial growth and rust issue, time to get clean water via a tankless hot water heater. The ECOTOUCH unit separates water and electricity line so as to avoid issue of calcium deposits.

MULTIPLY SAFETY PROTECTIONS

Over temperature protection

Dry heating protection

Leakage protection

Water and electricity line separated

EASY INSTALLATION

Real compact design, water heater cooridates with scenes decor, above sink or under sink water heater, horizontally, vertically or obliquely installation. Comes with easy installation brackets, pipe fitting of 1/2″ NPT and 12AWG power cord(fixed to the unit) so you don’t to have to hire a plumber even if you can do it.

SPECIFICATIONS

Power: 5.5kW

Voltage: 240V~60Hz

Min. water flow to activate the unit: 0.475GMP

Max tempt rise from 67°F to 120°F @ 1GPM

Max. Amperage: 23A

Recommended wire size: 12AWG

Required circuit breaker : 1x 2-Pole 30 AMP

KINDLY NOTE

1.The unit is mainly for sinks, not for shower purpose.

2.The tankless water heater should be installed professionally.

3.Please read instruction manual carefully prior to installation and use!

PACKAGE INCLUDES

1X ECOTOUCH 5.5kW instant water heater

1X Instruction manual and warranty card

1X Installation accessories

1X Remote control(for Black model)

FEATURES –

◆ Saves Energy and Money
The Thermoflow Elex 3.5 electric tankless water heater is adopt to advanced technology of Germany.Changing to this Elex 3.5 means there are no standby losses. No need to preheat before using, the hot water will come out from the heater instantly after you turn on the water heater,you only need to stop it immediately after using,no any waste for water or electricity.
◆ Unlimited Hot Water
Instant hot water thanks to rapid and maintenance-free bare wire heating systems.Because a Thermoflow heats water only when it is used, and for as long as it is needed, there is an endless supply of hot water. Nobody runs out of hot water .
◆ Space Saving
A Thermoflow Elex 3.5 tankless water heater completely replaces a conventional tank heater, yet takes up considerably less space, saving valuable living space and providing endless hot water on demand.
◆ Two Options for Applications
The Elex3.5 model can be used for two different applications:Act as primary heater, just connect the inlet with cold water directly, and connect the outlet with mix tap; Act as booster heater, just connect the inlet with the outlet of storage tank,and connect the outlet with mix tap, more fast heating, higher flow rate, saving your time.

USING TIPS –

• The device must be filled with water before connection to the electrical supply!
• Make sure the min pressure of your water supply system reaches 7.3 PSI.
• Please read the instruction manual carefully before you install or using the water heater !

PACKAGE INCLUDES –
1X Thermoflow 3.5kW electric tankless water heater
1X plastic bracket
1X bag of installation accessories (2 gaskets,2 anchors,2 screws)
1X instruction manual

Inquiry & aftersales service: [email protected]

Hotline:＋1（844）334-4203

Save water by eliminating the wait for hot water to reach the faucet. Simply tap into the water line and install the heater directly at the sink. No need for costly recirculating lines and pumps. And when you want to eliminate the wait for hot water but need more volume, install the Eco smart heater in-line with a larger hot water source, such as a tankless heater or a storage tank heater. Lightweight and compact, these units plug into a standard 110 volt outlet.

Product Description

The Bosch US7 Tronic 3000 electric tankless water heater is designed to provide an endless supply of hot water to kitchen, bathroom, and handwashing sinks. This 7.2 kW electric heater eliminates long waits for hot water by using a dual chambered copper heat exchanger. The unit runs at 98% thermal efficiency, so stand-by loss is therefore minimal. Plus, it mounts on the wall in any direction and is compact and lightweight, making it a great choice for a variety of spaces. This item requires professional installation and hardwiring. With its top performance specifications and versatility, the US7 Tronic 3000 is a great way to get the hot water going in kitchens, offices, at warehouses, service stations, stores, and concession stands.

From the Manufacturer

Ultra compact and lightweight, these five point-of-use / under-sink tankless water heaters were designed to provide an endless supply of hot water for 1 kitchen and / or bathroom sink at a time in commercial, industrial, and residential applications. Advantages include 98 % efficiency with minimal stand-by loss. Most models come equipped with high / low kW settings and universal horizontal / vertical mounting options.

Product description

AH-780-UL Features: -Water dispenser.-Hot water dispenser for instant coffee, soup, oatmeal, hot chocolate and tea.-Instantly delivers up to 60 cups per hour of steaming hot water.-5/8 gallon stainless steel tank with removable drain plug built to last.-Patented displacement system increases service life by helping to prevent mineral buildup.-Fingertip adjustable thermostat – 140° to 190°.-Heater protection control with patented self-resetting thermal fuse to prevent dry start.-Tank is not under pressure; self-contained expansion chamber prevents dripping and leaks.-Uses less electricity than a 40-watt light bulb, costing less than $2.00 per month to operate.-Compatible with Cool Water and Clear Water both sold separately.-Use with "Open Vent" faucets available in single (hot only) or dual (hot & cold) (sold separately). Specifications: -780 watt heating element allows for faster recovery time. Dimensions: -Overall Dimensions: 11.20" H x 8.10"W x 6.80" D. Warranty: -Package Contents: hot water dispenser, tank mounting bracket, quick-connect fitting, power cord, manual, warranty.

From the Manufacturer

Waste King’s Quick and Hot kitchen Hot Water Tank provide you with 190-degree hot water at your fingertips – anytime! The Quick and Hot is compact, energy efficient, safe, easy to install and has a 60 cup per hour capacity. Faucet is not included. A great addition to any kitchen!

Product Description

Stiebel Eltron SHC series mini-tank electric water heater is ideal for office buildings, stores, malls, warehouses, food trucks, restaurants, gas stations, schools, hotels/motels, commercial, industrial and institutional. residential: bathroom sinks, kitchen sinks, rvs, cabins/cottages, low flow showers and laundry areas. An SHC mini-tank frees up precious space while providing plenty of hot water for hand washing or kitchen applications. Plumbed with cold water and used as a stand-alone supply of hot water, or plumbed with hot water from a remote tank to minimize delays, an SHC always delivers hot water when needed. By put – ting hot water right where it is used, pipe runs are minimized and water and energy use reduced. The smaller tank coupled with superb insulation reduces stand-by losses especially when compared with larger tank-type water heaters. With its flat back and included bracket an SHC easily mounts right under or near the sink. Once filled with water it simply plugs into a 120 V outlet. With only an 11 amp current draw, no special wiring is required. Lightweight and compact, the SHC saves space, quickly provides hot water right where it is needed. Certified to ANSI/UL Std. 174 Conforms to CAN/CSA Std. 22.2 No. 110. Tested and certified by WQA against NSF/ANSI 372 for lead free compliance. ISO 9001 certified. Technical Specification: Phase – 60/50 Hz: single; Voltage: 120 V; Wattage: 1300 W; Amperage: 11.3 A; Nominal water volume: 2.65 gal / 10 l; Weight empty: 15.9 lb / 7.2 kg; Height (includes PandT valve): 18-11/16″ / 475 mm; Width: 11″ / 280 mm; Depth: 10-5/8″ / 270 mm; Maximum operating pressure: 150 psi / 10 bar; Maximum adjustable temperature: 140 degrees F / 60 degrees C; Recovery time: 18 minutes; Standby energy loss @ 131°F / 55°C: 0.37 kWh / day; Water connections: black steel -1/2″ NPT.

From the Manufacturer

The SHC Mini-tank frees up precious space while providing plenty of hot water for hand washing or kitchen type applications. Why store 30 or more gallons of hot water when 4 gallons or even 2.5 gallons are sufficient for the job? The unit installs right under or near the sink. Lightweight and compact, the SHC mounts to the wall (bracket included).

Conclusion

By our suggestions above, we hope that you can found under single sink inline instant hot water heater for you.Please don’t forget to share your experience by comment in this post. Thank you!