The tap is an electric water heater. Instant water heating taps. Electric flowing water heaters "Delimano"

Systematic supply interruptions hot water - actual problem, which touched at least once in the life of every city dweller. But if before people They sat quietly and waited for them to turn on the hot water supply, but now they take matters into their own hands and buy an instantaneous water heater.

What is an instantaneous water heater for?

A flow-through electric water heater for a tap is a portable device, the main purpose of which is to heat water. The structure is installed directly on the fluid supply source (tap) in the apartment itself or in some other room. Water heating occurs due to the effect of an electric current.

Varieties of the device

There are two types of flow heaters:

gas;
electric (pressure, free-flow).

Flow-through gas devices are equipped with a special burner, due to which the temperature of the liquid rises.

The instantaneous electric water heater performs its main function due to the built-in heating element.

Gas and instantaneous water heater: pros and cons

The advantages of gas equipment for heating water include:

compact dimensions of the burner;
no need to install a storage tank for water;
several installation options are possible - wherever there is a mixer (bathroom, kitchen).

The disadvantages of the gas device are:

minimum power indicators;
impossibility of instant heating of liquid to high temperatures;
low level of performance;
the presence of the need to install a chimney.

Advantages of electrical equipment for water heating:

A flow-through electric water heater for a tap also has disadvantages:

large volumes of energy consumption in conditions of instantaneous heating of water to high temperatures.

The principle of operation of an electrical device

Cold water is heated by using a heating element (heating element, spiral). Electrical energy is converted into heat. This process takes place in a special heating chamber, which is located in the body of the tap itself.

Water heating unit design

The spiral - ten is the heart of the electric water heater. Depending on the functionality of the device, there can be several heating coils, as a rule, two, the main difference of which is the power indicator. Equipping the device with such heating components makes it possible to select the heating mode.
The copper cylinder in which the spirals are placed has hermetic properties and has an inlet and outlet.
Thermostat. Its main task is to maintain a certain temperature of the liquid.
The hydraulic regulator is responsible for activating and deactivating the device due to the difference in fluid pressure fluctuation at the outlet and inlet.
Water protection prevents moisture and liquid from entering the internal components of the electrical unit.
Nozzles.

Also, for ease of operation, electric flow-through water heaters can be equipped with an electronic control system that enables the switching on / off of the water heating unit and maintains a stable temperature regime of the water at the outlet.

Adjustable temperature control - myth or reality?

Instantaneous electric water heater and liquid temperature control are compatible concepts. You can choose the best option on an individual basis by adjusting the pressure force: the larger it is, the higher the temperature indicators of the liquid, and vice versa.

Instantaneous electric water heater "Aquatherm"

For many years, Aquatherm products have been holding leading positions in the sanitary equipment market. The invaluable advantage of this group of products is that such an electric heater can be used not only in the apartment building, but also in the country.

"Aquatherm" - electric instantaneous water heaters. The characteristics of such structures are as follows:

power consumption - no more than 3.5 kW;
voltage - 220 Volts;
access to cold water - 1 pc .;
protection against voltage surges and power outages;
protection against low temperatures;
regulation of water temperature.

According to experts in the field of housing and communal services, "Aquatherm" are the best flow-through electric water heaters that will last for a long period of time. The price of such a miracle device is affordable and varies from 3 to 5 thousand rubles, and it will not be difficult to acquire it. Especially popular in recent times Internet purchases have become, allowing you to view the full product catalog in real time, as well as carefully study the model range and characteristics of a particular device.

Electric flowing water heaters "Delimano"

The Delimano heater is an elegantly designed device, usually made in white. It looks like a standard mixer. A heating element, a heating element, is built into the inside of the device, which provides instant heating of running water within 60 ° C. The unit is equipped with a special regulator, thanks to which the control of the temperature of heating the liquid is carried out efficiently and easily.

Thus, functional devices that are easy to install, daily use and uninstall are electric instantaneous water heaters "Delimano". Reviews of the category of household goods in question contain full information relatively special practicality of the device, achieved through the use of specialized modern equipment and high-quality materials in the production. It should be noted that such a device consumes much less energy compared to any other heating household appliance, whether it be an electric boiler or an electric kettle.

Electric water heater operation

As noted earlier, a flow-through electric water heater for a tap can be pressure and non-pressure. The latter consumes energy within 2 kW, and the heating capacity at the same time extends to no more than two water points, provided that they are close to each other. The key to the correct operation of the device and a long service life is the observance of all technological recommendations (determined by the manufacturer) regarding the installation of the device and its further operation. The situation looks like this: the pressure inside the water heater is equal to atmospheric pressure, therefore, when the spout is turned on, the spout valve must always be open.

The procedure for bringing a flow-through electric water heater of a non-pressure type into an active phase:

opening the spout tap;
opening the valve, which is located on the inlet pipe;
turning on the water heater.

The shutdown procedure consists of the same steps, which should be performed in reverse order.

The water heater will fail if:

install a new nozzle, the section of which does not meet the technical requirements of the manufacturer;
replace the standard spout.

Less demanding in operation is a flow-through electric pressure water heater. Reviews, or rather, their number, indicates that this particular type of water heater is in great demand among users. The power consumption of the pressure head unit significantly exceeds (can reach 30 kW) the same indicator for the non-pressure type equipment, which ensures proper functioning at several water points.

The process of activating a pressure electric heater includes only one action - opening the hot water tap.

Features of the choice of an electric water heater

1. The power of the heating element is a fundamental parameter when choosing an instantaneous electric type water heater.

To use the device in an apartment, you should choose a device that is equipped with a heating element with a power of at least 3 kW. Why? Yes, because about 2-3 liters of liquid passes through the water heater in 60 seconds, which should be heated instantly. Data analysis and statistics show that the Delimano flow-through electric water heater faucet perfectly copes with this task. And this indicates the high quality of such products.

If the electric water heater is purchased for household purposes, it is recommended to choose models equipped with a powerful (about 7-10 kW) heating element. In addition, the determination of the power of the heating element is based on the number of available points of water intake.

2. Compatibility of the type of connection of the device with the characteristics of the power grid. Here, first of all, you should read the instructions for the equipment in detail.

3. The warranty period, depending on the manufacturer, can be 3-10 years. Accordingly, the longer this period, the better.

Is there an alternative?

Yes, there is an alternative! The optimal device for heating a liquid is still considered to be the use of a storage-type water heater. If the matter is in size, that is, you do not have relatively large free spaces for installing a heater, you can give preference to storage devices with a capacity of 5-12 liters. The dimensions of such a unit are not much different from the dimensions of an instantaneous water heater, but the maximum possible temperature for heating water is 80-85 ° C. The only minor drawback of electric storage tanks is the long heating of water. This may take some time (depending on the volume of the tank and the selected temperature regime, it can be on average from 10 to 60 minutes).

While powerful boilers of various configurations are used to supply hot water to the whole house or apartment, an in-line electric water heater, which is installed directly on the tap, is more suitable for local use. The device is compact, easy to use, therefore it is actively gaining popularity. Usually it is used in case of interruptions in the centralized supply of hot water. Today, on the Beton-area website, we will talk in detail about the features of the operation of an electric mini-heater.

Instantaneous water heater on the tap

How is an electric in-line water heater for a tap arranged?

The device in question is attached directly to the sink and looks like a faucet with a thickened plastic part. It is in this "swollen" part of the tap that running water is heated. There is a heating element and a water flow power meter. On the body of the product there is a rheostat handle, with the help of which the power of the electric heater is regulated. Thus, in standard models of in-line electric water heaters, the outlet water temperature can be from 40 to 70 ° C. This indicator will depend not only on the set power of the heating element, but also on the water pressure in the system. In case of a strong drop in the power of the water flow, the water heater is turned off, preventing overheating.

Electric water heater device on a tap

The design of the flow water heater on the tap includes a residual current device (RCD). The task of this element is to protect a person from electric shock, as well as to prevent spontaneous combustion of wires. The system is designed to completely block the device in the event of a leakage current due to the formation of a new circuit with the participation of a person or when connecting bare wires. An RCD installed on the mains cable of the heater instantly reacts to a mismatch between the incoming and outgoing currents.

Note!

Mobile electric shower water heater

Installation of an instantaneous water heater on a tap

The electric mini water heater is installed in two ways:

Instead of the main tap. It is used in cases of constant use. Installation: the water is turned off, the flexible hose is unscrewed, the mixer is removed from the sink and an electric water heater is installed in place of the tap; the device is connected to a flexible hose; The RCD is connected to a 220 V network.
Next to the main crane. Practiced in cases of intermittent use. This approach involves drilling an additional hole in the sink to accommodate the electric heater, while leaving the standard tap in place. The device is connected to a flexible hose coming from a splitter on the water supply pipe.

Note! The ease of installation of an instantaneous water heater is also explained by the low power of the device, which in most cases eliminates the need for separate wiring.

Electric instantaneous water heater for a tap - how to choose a model?

A wide range of electric instantaneous water heaters for installation directly on the faucet encourages serious thought before buying. It is important to take into account all the details so that the device subsequently renders the greatest benefit... Particularly popular are non-pressure heating systems, which are usually used in suburban areas. Consider the common brands of tap water heaters.

"Aquatherm"

The consumer knows the instantaneous water heaters of this company as easy to install, visually attractive and reliable. Particularly worth mentioning is the presence of a water filter inside the system. Heating element power - 3 kW. In the shortest possible time, the water is heated to 60 ° C. The cost of the cheapest model of a flowing electric heater of the Aquatherm brand is 60 USD. e. Instantaneous electric water heater "Aquatherm" KA - 025

"Aquastream"

Distinctive features of instantaneous water heaters of this brand are miniature size and low energy consumption. The power consumption of the device is 2.5 kW, but at the same time it easily heats water up to 60 ° C. The Aquastream brand pleases buyers with the low cost of a device necessary for many in everyday life - from 40 USD. e.

"Electrolux"

By some estimates, this is the most popular brand of instantaneous electric water heaters. It attracts everything: from the elegance of appearance and a high degree of protection against current leakage to a very reasonable price. The cost of the cheapest model is $ 30. e. The power of the device depends on the selected model and varies from 3.5 to 6.5 kW.

Delimano

The water heater attracts with its stylish design and the shortest period of heating water to the required temperature. Power - 3 kW. The minimum cost of an electric water heater for a tap from the Delimano brand is 40 USD. e.

Flowing electric heater "Delimano"

Note! Budget options for instantaneous electric water heaters can only be used in the kitchen. If you plan to use the appliance in the bathroom for the purpose of filling a bath or taking a shower, you need to purchase a more powerful model. A suitable shower water heater should be able to fill a 10 liter container in 2 minutes.

Instantaneous tap water heaters - consumer reviews

“I installed an electric flow-through water heater on the tap at the urgent request of my wife. Now she washes dishes in hot water and does not stop rejoicing. The model I have selected has a separate function for adjusting the water temperature, which does not imply a change in pressure. My wife is happy, and so am I. I associate negative reviews about flow electric water heaters on a tap only with an incorrectly selected model. "

“I would not install an instantaneous water heater. It's not about bad reviews of the device, but about the quality of the water. Various impurities quickly turn into plaque on the heating element, reducing its heat transfer and quickly disabling it. "

“Due to the wrong choice of the model of the water heater on the tap, I experience inconvenience while taking a shower. Due to the low pressure in the network, water flows out through the shower openings slowly and very hot. Don't repeat my mistakes - do a careful calculation before buying. "

“We bought a flow-through electric water heater for a summer residence. I can't say anything particularly bad about the review, except that the counter is spinning very quickly. Installation required other wiring and an automatic machine. There is no grounding yet, but we plan to do it. "

FLOW HEATER OR BOILER - WHAT TO CHOOSE?

During the period when hot water is turned off in the city or in the country during the summer, you always want to please yourself with hot water to wash your face or wash the dishes. It is very uncomfortable to do this with cold water.

Of course, you can heat water in a kettle or in a saucepan, or you can forget about these inconveniences. The Aquatherm flow heater will supply hot water as soon as you turn on the tap.

In contact with

Heater device

This appliance looks like a regular kitchen sink mixer. Made of high quality material, has a modern design, it will please any housewife. The Aquatherm instant water heating tap completely replaces the kitchen mixer. He has the same control - single-lever, turn the knob in one direction - get cold water, in the other - hot.

There is a powerful heating element inside. When water passes through it, it has time to warm up to a comfortable temperature. It does not need to be mounted next to an existing conventional mixer.
Useful qualities:

power consumption - from 2.5 to 3 kW;
quickly enters the operating mode - within 5 seconds, from the moment of water supply;
ease of installation;
smooth temperature control;
has a built-in RCD (Residual Current Device).

The whole mechanism of this heater is designed so that the user does not think about technical issues during use. I just turned on the tap and hot water came out.

The water supply regulator has three positions:

turned off;
feeding position cold water without heating;
water supply with the inclusion of a heating element.

Connection

Any hostess will cope with this task:
1. First you need to free the device from the packaging and remove the plastic nut from the mounting tube, leaving only the rubber gasket.

2. Insert into the sink hole and screw down from below.

3. From the bottom of the mounting tube, you need to connect the cold water supply using a flexible hose that is sold in any store.

Take into account: it is advisable to use a special tape for sealing threaded connections (fum tape). Comes with a water heater detailed instructions in the pictures with the connection diagram. It is very difficult to make a mistake in this case.

4. After all connections are connected, you can check them for leaks. Turn on the water without electricity and make sure there are no obstacles to its flow anywhere.

5. If everything is in order and nothing is dripping anywhere, you can safely plug the device into an outlet. The indicator on the protective device, which is located on the electrical wire, will immediately light up. In order to avoid premature failure of the heating element, there is a special dry-running sensor in the mixer. It cuts off the electricity supply if there is no water in the tap.

Editorial advice: it is worth paying attention to the outlet itself, where the water heater will be connected. It is necessary to provide for mandatory grounding and a thicker wire - with a cross section of at least 1.5, and preferably 2.5 square meters. mm.

6. Next, you need to turn the handle of the tap to the left, hearing a characteristic click (the relay for turning on the heater will work), the water will start to heat up. This will be indicated by the LED indicator on the mixer. After about 5 seconds, the water will be heated to the maximum level. Further, the temperature is adjusted by decreasing the water pressure.

The smaller the jet, the hotter the water. In order not to experience discomfort because of this, there is a special nozzle on the tap - an aerator. It allows you to create the effect of a large volume of water at a low head.

Customer reviews say that the tap for water heating showed itself from the very better side and remains in many homes as a back-up hot water system.

We suggest you watch a video about how it is tripled and how the Aquatherm instantaneous water heating tap works:

Heating: ◄

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Devices that do not have a storage tank and quickly raise the temperature of the water using electricity are called flow heaters. Outwardly, they are similar to ordinary mixers, but have a slightly larger size due to the housing with a heating element. Such a device is capable of raising the temperature of the liquid to 60 ° C in just 10 seconds. Instant water heating taps are used, usually in small rooms, for example, summer cottages and garages, or when hot water supply is turned off.

The device consists of the following elements:

frame;
thermal sensor;
filter;
contactor;
power regulator;
ground wire;
cable.

The number of parts can be more, it depends on the set of functions. According to the principle of operation, cold water heaters for a tap are distinguished into pressure and non-pressure. The former are capable of supplying and warming liquid to several points at once, but they definitely require a certain pressure. Non-pressure heaters are connected to only one point and can function without pressure.

According to the control method, they are divided into electronic and hydraulic. The first ones automatically control water heating, you just need to set the required temperature. When the pressure decreases or increases, the sensor will determine whether it needs to be increased or decreased. In hydraulic heaters, the control is completely manual. Models are produced either with a tap only, or complete with a shower head, or with an inlet for connecting a hose.

Popular brands

The greatest demand is for heaters of the Delimano, Polaris, Aquatherm, Supretto brands.

1. Delimano dispenses hot water after 3 seconds. Power - 3 kW, has an attractive appearance, easy to install and significantly reduces energy costs. The body consists of metal and plastic parts. The crane turns in different sides so it can be used for washbasins with multiple compartments. Delimano heaters are offered with manual and automatic control, the latter having a digital monitor for more convenient water temperature control.

2. Polaris manufactures devices with power up to 5.5 kW, maximum heating reaches 55 ° C. Manufactured with conventional switch control and touch panel with display. The most advanced version has a quartz heating element and 4 modes for power adjustment. All devices from Polaris are connected to a hose, and from it they are connected either to a shower or to a tap.

3. Aquatherm devices also provide good quick heating of running water. This manufacturer offers a wide range of models, and made in different colors. The body can be either vertical or horizontal, with a long curved or short straight faucet. Power from - 3 kW.

4. Supretto devices have similar characteristics - the same compact dimensions, water heating up to 60 ° С in 3 seconds. Power - 3 kW. Have a sleek design. Versions are available with vertical body and valve only.

Reviews about heaters

“Previously, there were constant problems with hot water. The network is old, accidents often occur, so I decided to buy Aquatherm, especially since I heard a lot of positive reviews about it, especially about the fact that the price is fully consistent with its quality. I was very surprised by this device. I expected, of course, that it would quickly heat up the water, but not in a few seconds. I have been using it for 5 months, so far there have been no problems. Looks nice, easy to adjust. In general, I am completely satisfied, I am not at all sorry for the money spent ”.

Vladimir, Moscow.

“It was difficult to choose a specific model, but most of all I liked the reviews about the Delimano water heater, so I decided to buy it. It looks almost like a regular crane, but slightly larger at the base, while it has a more interesting and attractive appearance. Already 3 seconds after starting the heater, actually hot water flows. It works without interruption, the pressure and temperature are always the same. It is easy to install like a standard crane. We didn't have to do anything with the wiring, we had it new and there was already a socket nearby. "

Nikolay, Samara.

“It's good that there are so many reviews about flow heaters in online stores. It was easier to find the right device. I needed a shower heater, not a tap, so I decided to take the Polaris brand. It works great, the water always comes at the same temperature, and it heats up in a couple of seconds, which is very convenient, you don't have to wait. Now I am planning to purchase an electric heater for the summer cottage as well ”.

Julia Morozova, Nizhny Novgorod.

“A year has passed since the purchase of this device. Works like new and the appearance is completely preserved. The water heats up in about 3-4 seconds to 50 ° C. The price is absolutely consistent with the quality, and takes up very little space, like an ordinary crane. Electricity costs have slightly increased, but we are still in positive territory, since now we do not have to pay bills for hot water supply. "

Alexander, Ufa.

Advantages and disadvantages

Positive qualities of a flow-through heater-nozzle on a tap:

fast heating;
compact size;
easy installation;
easy control;
aesthetic appearance;
availability of additional functions for advanced models.

In addition to all this, it significantly reduces energy costs, since it does not have to constantly maintain the required water temperature, as in devices with a storage tank (only in the case of economical handling). The heater is absolutely safe, as it is reliably protected from liquid penetration. The water will always be fresh and at the same temperature, the possibility of scalding is completely excluded, as is the case with conventional mixing taps. The disadvantages include the need for high-quality wiring, filter rough cleaning... It is recommended to install structures that have water hammer protection.

Price

An overview of the prices at which you can buy instantaneous electric water heaters for a tap:

Judging by the reviews and recommendations of experts, it is best to purchase heaters that have a protective shutdown function, which protects a person from shock electric shock, and protects the device itself in case of power surges. The presence of sensors against overheating and dry switching will not interfere.

Readers have probably heard of such a device as a heated water mixer. An increasing number of craftsmen and homeowners are choosing to use taps with a similar device in their homes.

What is such a design, what is the reason for the popularity of the mixer and how justified is its use at home? We will try to answer users the most important questions and try to determine how beneficial it is to use such devices in their own home.

Heated water tap device

We note right away that calling the mixer a tap in our case is not entirely correct - the tap provides for the supply of water exclusively from one stream, while the mixer provides water supply from two streams(cold and hot water).

However, for the convenience of our readers, we will use both the first and second terms.

A heated mixer is a device that helps to maintain a constant water temperature. This is possible thanks to special design solutions, which we will discuss below. Such a device allows you to program the temperature, pressure and other parameters of the water supply.

The device provides for the presence of two regulators:

Temperature regulatorNS... An electronic sensor allows the user to set the required temperature of the water that will come from the tap.
Pressure regulator... It can be represented by both the simplest pressure reducer and a special filter. This regulator is designed to be able to adjust the optimal pressure of the outgoing water.

In addition to the above design features, other models are available on the market. The most common versions have the following device: a special mixer valve is installed in the mixer, which is adjusted using a cartridge.

The cartridge reacts to the slightest temperature changes due to its design features (the presence of bimetallic plates or wax).

The principle of operation of thermostatic mixers can be represented as follows:

The incoming water goes to the cartridge inside the mixer. The mixer reacts to temperature fluctuations and changes size (becomes larger or smaller in volume).
An adjusting screw connected to the chuck transmits the temperature parameters that the user enters.
The device provides for a temperature limiter (usually set at 80 °).
Hot water is mixed with incoming cold water, if there is no cold water, then an automatic temperature blocker is activated.

Such a device allows you to avoid possible burns due to the supply of hot water. That is why, in foreign countries, such mixers are often installed in hospitals and schools, and the reviews about them are entirely positive.

Mixers with automatic temperature control and built-in heater

Note that today on the market you can find two options for devices for automatic water heating:

LCD devices, on which the temperature readings are displayed. The devices operate from various power sources (batteries, mains). The available type of control is a touch panel or push-button control, some models provide for the possibility of remote control using a special remote control.
Mechanical models, which have a lot of special regulators in the form of handles, valves or.

Heated water mixers are manufactured and marketed separately for a specific purpose. There are, for bathrooms, as well as special faucets for bidets.

Today, there are most of such models on the market, but there are also universal modifications that can be installed in any room.

Advantages and Disadvantages of Heated Mixers

Like any other appliance, a mixer that is capable of heating water has both advantages and disadvantages. The widespread use was due to the advantages of the device, so today you can find an increasing number of individual consumers who install the device in the house.

If you believe the reviews, then the advantages of this device include:

Saving... Provided that the device is used, the actual consumption of hot water will be minimal. This means less energy consumption and, as a result, more cost savings in the future. In addition, the ability to adjust the pressure avoids increased water consumption.
Safety... Above, we noted one of the key advantages of the device - high safety. The described taps allow you to avoid sudden temperature changes, burns or hypothermia due to inappropriate water temperature.
No energy losses using.
Comfort... High usability is due to the technological characteristics of the product. Constant pressure and temperature, the ability to make the necessary adjustments and ergonomics make this product convenient and practical.

Among the disadvantages of thermostatic mixers, the following points should be noted:

High costst... Since the product is new to the market and not widely distributed, prices are quite high.
The presence of low-quality counterfeits... In the search for a cheap device, consumers may be faced with counterfeits, the quality of which leaves much to be desired. In this case, the question arises not only of the expediency, but also of the safety of such a purchase: if the device does not have a SPL, there is no grounding and the safety standards are not met, the buyer, after a while, risks getting an electric shock.

From this we can draw the following conclusion: if the funds allow you to purchase a faucet with heated water, you should choose quality models from trusted sellers. Otherwise, you must refuse to use this product.

How to choose the right thermostatic faucet for water supply - how to buy the best

To buy a good mixer with a built-in heater, experts recommend paying attention to the following aspects:

The selected model must comply with the standards and indicators domestic system water supply and drainage. It is unlikely that a buyer will want to purchase a product, and then buy adapters, fittings, branch pipes, etc.
When installing, pay attention to the location of the pipes. It is necessary to pay attention to the fact that in the appliance hot water is supplied from the right side, and cold water - from the left. If the installation is carried out on pipes installed in the reverse order, the device may not work in principle.
The design features of the water mains cause the possibility of cold water getting into the hot water supply system. If at home this problem relevant, you need to purchase a device with check valve which will prevent possible mixing of water.
If there are children at home, it is not recommended to purchase models with touch panels. It is worth remembering that water will constantly get on the surface of the faucets, leaving behind streaks - there will always be clear traces of splashes, prints, etc. on the touch panels.
The price should be optimal for the family budget.

Finally, we note that before installing a heated tap, you need to take care of the quality of the water that enters the house. In order for the device to serve as long as possible, it is necessary to install water filters.