Flowing electric water heaters on the tap: an overview of the best offers on the market

The best instantaneous water heater for a bathroom faucet

The technique has become very popular due to the balance of quality, safety, economy and price.With a relatively high power, the water heats up instantly, which reduces the cost of light.

Supretto with shower

Another creation from Delimano with a rotating spout. It is a model with slightly less power. Enriches water with oxygen and reduces water consumption. Supretto has the ability to connect a shower hose, which allows it to be used in the bathroom. He will provide hot water up to 6 years. This model is able to quickly heat the liquid up to 40 ° C. During operation, it economically consumes electricity. The device works with a power of 3000 W from the mains with a voltage of 220-240 V.

Supretto with shower

The package includes a faucet, shower head, gasket, various rubber rings and a fixing nut. Thanks to the instruction manual, any user will understand the installation and use of the device. Price - 2600-3000 rubles.

Unipamp BEF-012-02

This model is flow tap water heater equipped with a display that shows the degree of heating. Made from chromed metal and plastic. Equipped with splash protector. Installation without grounding is prohibited. It costs only 2905 rubles.

Unipamp BEF-012-02

Specifications:

System pressure, Bar	0,4-5
power, kWt	3
Rotation radius, °	380
Productivity, l/min	4
Maximum heating temperature, °C	60
Voltage	220±10%V
Performance indicators	current 13.5 A with a frequency of 50 Hertz

What is a flowing electric water heater and the principle of operation of the technique

Instantaneous electric water heater - equipment that heats water during its movement. The main feature of the technique is its compactness, as well as the ability to heat water as quickly as possible.

The water heater looks like a small box that connects to a pipe and electricity (gas systems also exist). Inside the box: heating system - heating element, control unit, heat pump, temperature sensor, water regulator. The mechanism of work is as follows:

• water enters the water heater;
• due to the heating element, water is heated to the required temperature
• hot water is supplied to the distribution points.

Depending on the power of the device, the water can heat up to 60 degrees. In practice, conventional and inexpensive models allow you to get hot water within 40 degrees, which in principle is the optimal temperature for everyday use.

To avoid mistakes when choosing technology, the table below shows the approximate relationship between power, hot water output and temperature.

Hot water temperature at the outlet of the equipment	Equipment with a power of 4.5 kW (l/min)	Equipment with a power of 5.5 (kW l / min)	Equipment with a power of 7.3 kW (l/min)
40 degrees	2,4	2,9	4,0
45 degrees	2	2,5	3,2
50 degrees	1,8	2	2,9
55 degrees	1,5	1,9	2,6

Depending on the inlet water supply, the water flow rate data as well as the hot water temperature status may change.

The most famous manufacturers and models of cranes

On sale there are compact electric heaters of different manufacturers. The models differ in main characteristics and powerso their cost also varies. It is recommended to choose proven options that you can find reviews on the network - this is one of the best ways to make sure that they meet the declared characteristics, durability and other requirements that the consumer has.

• Aquaterm is one of the most well-known manufacturers that has already established itself in the market. The products of this brand are reliable and durable, with proper use will last a long time. The power of the heating element is 3 kW, and the time for heating water to 60 degrees is no more than 3 seconds. In addition, the faucet has a built-in water filter.
• Aquastream is another popular brand. Its products are small in size and low in power (only 2.5 kW), but at the same time, the speed of heating water to 60 degrees is a few seconds. Attractive appearance, affordable price and compactness are the main criteria by which buyers choose Aquastream.
• Electrolux is a manufacturer that has managed to earn trust in the market. Users note the reliability of devices and their versatility. The heaters contain all possible additions to increase the degree of protection, while they are not very expensive.
• Delimano is a great option for the home, including for regular use. The device differs in average power (3 kW) and low consumption of the electric power.

The faucet comes with all the necessary parts for installation - you can install it yourself or contact a specialist

To choose the right model for home, it is important to consider the manner and intensity of its intended use. So, for a faucet that will only apply for washing hands, enough minimum power - up to 3 liters of water per minute

For a kitchen faucet and washing dishes, you will need at least 5 liters per minute, and for a shower - 8 liters

And it is also worth paying attention to the main characteristics related to safety during the operation of the device.The heater must have such functions as protection of the heating element from overheating, automatic shutdown when the water supply is interrupted, a fuse against sudden power surges

The advantages will also be such additional features as a built-in filter against precipitation and scale, a light indicator and others.

Electric instantaneous water heaters

No. 4 - Thermex Surf 3500

Thermex Surf 3500

Inexpensive, low-power, but reliable device that is suitable for installation in a small apartment or in the country. An excellent solution to the problem of seasonal water shutdown for relatively little money.

The cost of this device starts from 4000 rubles. The model consumes 3.5 kW of electricity and is designed for one point of water intake. There is an indicator for turning on the column, and the device is protected from overheating and turning on without water. Degree of protection against liquid at the 4th level. The heating element is spiral and made of steel. The heat exchanger is also steel. Dimensions - 6.8x20x13.5 cm. Weight - just over 1 book.

Users note that this model has a high build quality and is very convenient to use. It does not take up much space, slightly loads the power grid and at the same time does an excellent job of heating water. The main disadvantage is the weak water pressure at the outlet.

pros

• low price
• small size
• heats water well
• consumes little energy
• simple use
• secure fastening

Minuses

• weak outlet water pressure
• short power cord
• only for one intake

Prices for water heater Thermex Surf 3500

Thermex Surf 3500

No. 3 - Electrolux NPX 8 Flow Active 2.0

Electrolux NPX 8 Flow Active 2.0

A rather expensive model with not the highest performance, which has a self-diagnosis function and a water filter in the kit. A compact option for those who want to have a reliable water heater at home.

The cost of the model starts from 15 thousand rubles. The device can easily heat up to 60 degrees 4.2 liters of liquid in one minute, while consuming 8.8 kW. Electronic type control, there is an indicator for turning on and operating the device, as well as a thermometer. The heater readings can be monitored on the display. Protection against overheating and switching on without water is in the list of functions. Dimensions 8.8x37x22.6 cm.

According to users, this heater will not spoil the interior, as it has a stylish and interesting design. It heats water well and quickly and is easy to use. The main downside is, of course, the price.

pros

• heats water quickly
• stylish design
• convenient use
• reliable
• compact
• water filter included

Minuses

high price

Prices for water heater Electrolux NPX 8 Flow Active 2.0

Electrolux NPX 8 Flow Active 2.0

No. 2 - Stiebel Eltron DDH 8

Stiebel Eltron DDH

A heater that is designed to supply hot water to several points of water intake at once. The model has a high degree of protection against water and is as safe as possible for humans.

The cost of this heater starts from 15 thousand rubles. The productivity of the device is 4.3 l / min, the power is 8 kW. Mechanical type control, reliable and simple. There is an indicator of heating and turning on the device. Heating element in the form of a heating element made of copper. Dimensions - 9.5x27.4x22 cm.

Users note that this is a small but very effective device that will allow you to have hot water at home from several points of water intake at once.Heats water quickly and only when it is turned on. Very easy to use. Cons - the price and "gluttony" in terms of electricity. Ideal for the period of periodic shutdown of hot water supply.

pros

• heats water quickly
• small size
• copper heater
• powerful
• good performance
• high level of protection
• can be used for multiple water points

Minuses

• high price
• wastes a lot of electricity

Prices for water heater Stiebel Eltron DDH 8

Stiebel Eltron DDH 8

No. 1 - Clage CEX 9

Clage CEX 9

A rather expensive option, but it is designed to supply hot water to several water intake points and has a control panel. Included is a water filter. The high level of protection against water makes the device as safe as possible.

The cost of this heater is high and starts from 23 thousand rubles. This option is capable of heating up to 55 degrees 5 l / minute, while consuming 8.8 kW of electricity from a 220 V network. There are indicators for heating and turning on, as well as a display. The model is equipped with a self-diagnosis function, if necessary, limits the heating temperature. Inside there are 3 spiral heaters made of steel. Dimensions - 11x29.4x18 cm.

Users write that this heater is very well assembled, reliable and comes with a mounting card. It can be seen that the manufacturer paid a lot of attention to detail. Heats water very quickly and is easy to set up and operate. Made in Germany and that says it all.

pros

• German quality
• compact
• reliable
• heats water quickly
• high level of security
• designed for several water points

Minuses

high price

How to choose and what to look for?

There are several important criteria for choosing an instantaneous electric heater. The most important of them are listed below.

Performance and Power Ratings

Power is the most important parameter on which the possibility of obtaining a certain volume of heated water will depend. for a certain unit of time.

If residents need to take a shower or cook food quickly, a low-power appliance will suffice, which will heat three to five liters of water in one minute. After 20 seconds, the water will start to warm up.

If the family is large and has significant needs, heater models with higher power should be preferred.

The purpose of the water heater is usually indicated in the instructions for the device. Devices whose power does not exceed 8 kW are convenient to use in the country, where constant heating is not needed.

NOTE!
The water temperature of 50 degrees is quite sufficient for taking a shower or washing a small amount of dishes.

If there is a need for the constant availability of a large amount of heated water, the device must be more powerful - from 20 kW and above. In addition, it is worth considering the number of water points in the house or apartment.

If the bathroom and kitchen sink are located next to each other, one medium power heater will suffice.

If such zones are far from each other, you will need to purchase a pair of low-power water heaters, or one powerful pressure apparatus.

Modes of operation and control

The design of an instantaneous water heater is quite simple, but such devices also have their own classification:

1. Hydraulic.
2. Electronic.

The hydraulic type of control is also called mechanical. They are equipped with most inexpensive models. More often than others, there is a step switch, and the most budgetary water heaters may not have the ability to adjust the water pressure or temperature at all.

The principle of hydraulic control is that during operation of the device it is possible to levers or buttons move the stem.

This part of the structure will change the force of water pressure, as a result of which its temperature will also change. The main disadvantage is that the degree of temperature control in models with a mechanical type of control is not very accurate. At weak water pressure The water heater may not turn on at all.

The electronic control system allows you to control the water pressure and the degree of its heating much more accurately. Such water heaters are equipped with built-in sensors and microprocessors that are sensitive to pressure changes and temperature changes in the line.

This allows you to change the current settings to those that will fully correspond to the mode that the user selects.

IMPORTANT!
In the latest models of devices, there is also a power saving function.

If the water heating device will serve only one zone of water intake, for example, a sink or shower, you can purchase a more budgetary mechanical model that can be configured at any time.

If you plan that the purchased water heater will serve several points at the same time, you should prefer a device with an electronic control unit.

Wall mounting features

Flowing water heaters are installed in a place convenient for control, most often on the wall near the sink or shower. For fastening to concrete panels or brick walls, dowels are used, to drywall (not recommended) - special mole-type devices. The product should be positioned according to the instructions, it cannot be rotated.

If the water heating device is planned to be installed near the tapping point, that is, in the bathroom or in the combined bathroom, make sure that the degree of protection is not lower than IPX4

Connection to the mains must be made through the RCD, especially if the manufacturer does not provide a protective automatic shutdown function.

A three-core copper cable is pulled from a common shield with grounding, then either a differential switch or a circuit breaker is installed.

Scheme of installation of a flowing water heater: 1 - a pipe with cold water; 2 - tap (mixer); 3 - shutoff valves; 4 – check valve + filter kit; 5 - RCD; 6 - electrical panel

It is better to equip the supply pipes for a pressure water heater with ball valves - for ease of installation / dismantling. Remember that a non-pressure device has only one pipe - for connecting cold water.

You can find more information about the rules for installing protochnikov in the article presented to your attention.

Shower water heater

Electric shower water heater Atmor Basic 5 shower

The instantaneous water heater comes complete with a plastic gooseneck, a flexible hose, a pair of seals, a faucet, and fasteners. The gander is equipped with a nozzle that breaks the water jet. The hose is short what to consider when choosing (the model will have to be placed closer to the crane).Connection does not require special tools and special skills. This is a device with a horizontal installation, lower connection pipes.

The performance of the water heater is designed for 3 liters per minute, the power is 5 kW, heating is promised up to +65 degrees, the pressure reaches 7 atmospheres. The declared parameters will help to survive the seasonal shutdown of hot water. The device works efficiently, copper heater provides the declared heating. He will allow you to take a shower, wash the dishes, take a warm bath in 30-35 minutes. This instantaneous electric water heater for shower price from 2 tr.

Pros:

• good assembly - inside everything is neatly divorced, the connections are in perfect order;
• simple installation;
• compactness;
• three operating modes;
• great power and heat.

Minuses:

The power cord required for operation is not included.

Instantaneous shower water heater Timberk WHEL-7 OSC with shower head

The device stands out from the general range of analogues with a moisture-proof streamlined body. The brand decided to make the model in the author's design, which will not spoil the interior of the bathroom or kitchen. The heater is designed to provide hot water to one point of consumption. A reliable heating element with an increased production resource and a protective coating works inside.

There is equipment in the form of a hydraulic valve with a shutdown sensor. It works on the machine and turns off the power to the heater in the absence of water. Reliability is added by a flask with thickened walls made of high-strength thermoplastic.

The water heater is equipped with a filter for water purification from small impurities. Power - 6.5 kW, productivity - 4.5 liters per minute. The delivery set includes a shower kit (hose, shower nozzle, wall holder), faucet.In general, the optimal solution for providing hot water in the summer. Price - from 2.4 tr.

Pros:

• cheap;
• compact;
• powerful;
• warms well;
• easy to install;
• excellent kit.

Minuses:

water pressure is weak.

Shower water heater Electrolux Smartfix 2.0 3.5 S 3.50 kW

The Swedes made a good water heater with a flow-through method of heating water. The device is powered by the mains and reaches a power of 3.5 kW. Productivity is also small - 2 liters per minute. Pressure - 0.70 - 6 Atm.

Water is supplied to the apparatus in a non-pressure way, the supply is lower. Mechanical control is quite expectedly implemented, which gives hope for long-term uninterrupted operation. Required connection - 220 V.

The device has a streamlined shape, which will simplify installation. The Swedes used high-quality materials, implemented the 4th class of protection against water, protection against overheating. The kit includes additional accessories: shower hose, shower head. A copper heater is working inside, the actual outlet water temperature reaches 60 degrees (at maximum mode). The cost of a water heater is from 1.5 tr.

Pros:

• good assembly;
• affordable price tag;
• compact and lightweight;
• 3 operating modes;
• reliable management;
• set.

Minuses:

• demanding on wiring;
• shuts off at low pressure.

Which instantaneous water heater is better to buy

By what criteria to select a flowing water heater, it has already been said earlier. Each choice is purely individual. Much depends on the suitable heat source, appropriate dimensions, installation method, speed requirements and functions. The presented TOP can be completed with the following results:

• The most powerful electric water heater with a long service life - Clage CEX 11/13;
• The fastest, most productive model in the premium segment - Rinnai RW-14BF;
• Among domestic manufacturers, it stands out for its build quality and productivity - EVAN B1-7.5;
• The Electrolux Taptronic S model has a wide range of water heating temperature adjustment.

From the presented rating, you yourself can decide what to buy for a constant supply of hot water, focusing on the characteristics, pros, cons of each model

Before buying, it is also important to consider the capabilities of your electrical system.

The principle of operation of water heaters

Modern flow electric water heater for faucet is a device that does not complement the crane, but replaces it. Therefore, his definition is considered somewhat erroneous. The device is quickly built into the kitchen sink (or just into the sink), after which it is connected to the electrical network and to the water supply. The electrical connection is made with a conventional wire with a plug, and for the most powerful models, a separate line is needed with a connection without a socket.

Since such water heaters designed for homes, not connected to centralized hot water sources, nothing prevents us from building such a water heater instead of the tap itself.

A flow-through water heater with a display for more convenient adjustment of the hot water temperature.

Instantaneous water heaters work very easily - after opening the tap with water, the heater turns on, and after a few seconds hot water comes out of the faucet water. The heating temperature for most models is + 40-60 degrees.If necessary, you can adjust the temperature to your liking. As soon as the tap is closed, the flow of hot water will stop, and the heating element installed inside will be turned off.

A flow-through water heater on a faucet can also work without heating - for this you need to turn the regulator knob in the other direction. And in order for you to be able to fine-tune the heating temperature, we recommend that you choose a model with separate adjustments - here one knob regulates the pressure, and the second regulates the temperature. As a result, you can get hot water at the temperature you need.

The greatest convenience is provided by advanced heaters equipped with liquid crystal displays and touch controls. But you have to pay for this convenience - the cost of such heaters is somewhat higher. If you want to save money, buy the simplest model, as the temperature can also be adjusted with a knob.

3 Nibe-Biawar Mega W-E100.81

Such a household appliance is most often chosen by owners of private houses and summer cottages for efficiency, ease of operation. But it is also an interesting option for apartments, since the volume of the enameled stainless steel tank is 100 liters. For an indirect indicator, this is a compact indicator. The classic form of the water heater is characterized by the presence of several points of water intake, lateral supply.

Its main advantage is the high temperature regime. At the maximum, the coolant is able to heat the water up to 95 degrees. And there is practically no heat loss. If necessary, you can limit the heating temperature.Of the positive features, users in the reviews call the slow appearance of scale, a built-in protective magnesium anode, a thermometer conveniently located for visual control, and the presence of a special removable safety cover. The disadvantage of the design is exclusively floor installation.

Water heaters of average power and sizes

2. Baxi Premier Plus 150

This model was developed on the basis of the results of the most modern research, and only the highest quality materials were used in the manufacture. Largely due to these factors, the user can get the maximum amount of heated water, and it is heated using the original indirect heating technology, and there is also a heating element, however, heating using it can be carried out for a short time. The stable operation of this product is ensured by the following elements: an anode made of magnesium alloys. With the help of this element, scale will practically not form during operation. At the bottom of the product there is a special coil, which not only heats the water, but also ensures its uniform heating. The optimum temperature obtained at the outlet of this water heater is around 37-42 degrees.

This device has a special tank made of high quality stainless steel, which is characterized by a decent level of resistance to corrosion, and in order to minimize heat loss, it has a reliable thermal insulation layer. If necessary, this equipment can be connected not only to an ordinary centralized water supply system, but also used in private homes where water comes from a well or well.There is no need to drain cold water at all.

Advantages:

• Excellent quality of materials;
• Manufactured using the highest technology;
• Long period of operation;
• Water heats up almost instantly, there is no need to drain a certain amount of cold water.

Flaws:

For an instantaneous water heater, it has quite large overall dimensions.

Baxi Premier Plus 150

1. Gorenje GV 120

This product is best suited for installation in private homes, as this model needs a large amount of free space. This model uses a tubular heat exchanger, characterized by a high level of performance. It has a decent surface area through which heat will be transferred to the water. Thanks to this technology, uniform heating to the temperature set by the user is ensured. If necessary, these products can be connected to any heating boilers that can run on diesel, gas, solid and other types of fuel. In terms of indirect heating devices, this device is one of the most affordable. Despite the reasonable cost, this model has all the required protection systems. They include overheating protection, there are several check and safety valves type.

The water heater has a thermometer, there is an indicator of heating and switching on. With the help of this device, it is possible to provide several points of water intake with hot water at once. The heat exchanger is made of high-quality stainless steel, which perfectly resists the occurrence and development of corrosion processes. The water heats up in record time.The general warranty for the products is 2 years, and for the tank - as much as five years.

Advantages:

• Minimum electricity consumption during operation;
• High quality workmanship;
• Quickly warms up water to the required temperature.

Flaws:

• The design is not thought out too carefully;
• A decent amount of equipment.

Gorenje GV 120