Connection diagram of two heating batteries from one riser

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Schemes for connecting heating radiators

The correct system of connecting heating batteries is important for stable and reliable operation of the heating device with maximum heat transfer. Unfortunately. Not all installers have the necessary qualifications to select the optimal scheme for connecting heating radiators. At the end of this article, examples of “from life” will be given.

So, there are two main heating systems. one-tube and two-pipe. In most standard houses with central heating installed a single-tube heating system. Such a heating system requires a higher pressure of the coolant during operation. Therefore, we strongly recommend that you put in such a system of heating only bimetallic radiators, the margin of the strength of which is much superior to the maximum pressure in the single-pipe system. For the maximum heat transfer of the heating radiator, the feed trumpet can be connected to the top nozzle of the radiator.

Water in a single-tube heating system descends down. consistently passing through the radiators on each floor. Before each radiator necessarily put a jumper (bypass) to reduce heat loss on the floors and not to interrupt the water current in the event of a radiator shutdown. Of course, passing through a plurality of radiators to the first floor, the heat loss of water will still be, therefore, it is advisable on the lower floors to establish a greater number of radiators sections. Water supply can also be taken up. For the convenience of using radiators and maintain a comfortable room temperature in a single-tube system, ball valves and thermal guidelines are installed.

In the two-pipe heating system, the coolant is supplied to the radiator on one pipe, and is given on another. I.e. The cooled water is no longer served in the same pipe, but is given to the return channel “Ross. The temperature of the coolant in such systems is the same on all floors. Jumper (bypass) in two-pipe heating systems is not installed. Ball cranes and thermal fishes are installed in the same way as in a single-pipe system.

Features of the design of aluminum radiators

Aluminum radiators are used quite often as heating devices in private houses and apartments. The material of the device has a high thermal conductivity, and they are produced in a large range of overall dimensions, thermal power, respectively. These heating devices have two types of execution: cast and section. The first are more durable, since they do not have welded seams, weakening the design and allowing the possibility of leakage of the coolant. The cost of such products is higher, which affects the price of finished products.

Section of aluminum sectional type radiators can be connected in several ways:


The disadvantages of sectional devices are weak resistance to the hydrodar, the ability to withstand relatively low pressure.

Aluminum alloy has increased sensitivity to the quality of the coolant on the network. The walls of the pipes are thinned when using a working substance with exceeding the value of 7-8 by the pH indicator.

Check this parameter for the offline heating system. If the radiator is connected to the centralized system, there is no such possibility.

connection methods and can it be done?

Even after completing all the calculations to determine the number of sections of the heating battery, it may happen that they are not enough heat.

This happens if the manufacturer has overestimated the parameters of the product in the technical transport or the consumer did not take into account all the heat loss in the room.

Adding sections to aluminum radiators allows you to solve this problem.

Battery Connection Types for Heating System

When there is a need to increase the radiator, it is very important to observe all the rules for dismantling the old section in the event of its breakdown or installing new to increase its heat transfer.

If the new element is connected incorrectly, the efficiency of the entire design may decrease by 40-50%. This will manifest itself in the form of uneven warm-up of all sections or even a breakthrough in the places of their connection.

An important factor is how the battery is connected to the heating system, because the violation of the scheme always leads to heat loss. As a rule, aluminum heating radiators are connected:

  • A consistent connection that is used in single-tube heating systems. It is considered the most financially advantageous type of connection, since it is involved less building materials, but less efficient as heating housing. As a rule, in this case, those heaters that are closer to the boiler will be hot, and as it removed from it all colder.
  • With parallel type, two pipes are used, which are connected to the radiator through the upper and lower departments. Provides the best heating, as the coolant is uniformly distributed over all elements of the system.

This type of connection allows you to install thermostators, which gives the user the opportunity to decide how much the amount of heat he needs.

The connection of the sections of aluminum radiators and the subsequent connection to the heating system should be carried out strictly according to the scheme in a certain sequence so that they are not only effective, but also cost effective.

Required tools

If you build it with your own hands, you should pre-take care of the availability of the necessary tools. The set includes:

  • Radiator key, standard for all battery types.
  • Special nipples, with the help of which the connection of aluminum radiators of heating.
  • Pipe key.
  • Plugs for lateral departments with left and right-hand.
  • Paronite or other intersection oils for heating batteries.

You can buy these tools in any building store.

connect, radiator, heating, themselves

Preparation for work

To attach the sections of the aluminum radiator, the owners of apartments with a centralized heating system will have to apply to the management economy with a request for work. Wrouders of autonomous heating, such a procedure is not needed.

Before connecting sections, preparatory work should be carried out.

  • First, merge the entire battery coolant.
  • Secondly, dismantle it.
  • Thirdly, check for garbage or scale, and in case of detection, remove them.
  • Fourth, check the location of the radiator connection with the pipe of the heating system. If there is any scale or thighs, they should be removed using sandpaper.

Only after the preparatory work, you can start building a radiator with full confidence that all its elements will be tightly connected.

Connection of sections

So that all the elements are connected correctly, the radiator must be put onto the smooth surface of the outside. The sequence of actions of extension is as follows:

  • Caps are unscrewed from end connecting offices.
  • On that part of nipple, where there is no thread, you need to put on a gasket.
  • Insert nipple in the aluminum radiator collector and slightly turn several times.
  • Prepared to connect a section to combine with the other side of Nippel.
  • Take the key and slowly tighten the nipple. Due to the fact that he has opposite carving at different ends, it will be spinning at the same time.
  • Bring twisting to the limit while it does not boost in the gasket.

Nipple of the upper and lower collector should be tightened to the same number of times so that there is no skew to one of the sides. To do this, calculates how many turns.

Before mounting an enlarged radiator to the heating pipe, you need to check how tightness is extensive. To do this, it is necessary to fill the battery with tinted water and trace a couple of hours, there is no leakage.

Hanging the design on the wall, you can proceed to the last stage of work.

Test works

As a rule, with each repair or dismantling (installation) of radiators, they must pass testing on the quality of the work done and the integrity of the system. To do this, the battery connection with the pipeline is tightly twisted with a pipe key, and the system is thoroughly checked for defects, after which the coolant can be used.

The primary check is carried out under a slight pressure to trace, whether it will not manifest somewhere to flow somewhere. If a defect is detected, the coolant is turned off, and work is carried out to eliminate it.

At the next attempt, water in the system is submitted under the usual pressure and remains in it for a couple of hours. When they pass, you need to check all the places of compounds for tightness.

Without special skills, sometimes dismantling and building new sections is difficult to correctly produce the first time, so the stage of checking the quality of work done should not be ignored.

How to connect a heating radiator: one-pipe and two-pipe pipe connection scheme, bimetallic and aluminum devices

Those who decided to design and implement the home heating device personally, will have to work out all the subtleties of the process. And if for specialists with experiences of such works, everything seems simple, then beginners will have many questions, for example, what use materials and equipment. We will talk to you on how to connect the heater. the battery.

Move the “fuel” through the battery to another battery is allowed only if the gap between them is small (approximately as in the photo)

General information about heating systems

It is important to initially decide how to connect heating radiators. Speaking by the language of specialists, it should be solved by some of the ways of strapping heating devices to use.

For all types of heating systems, two ways of laying pipelines are used:

Two options: double-sided and unilateral location of the heating pipeline

Systems in which hot water transportation as a coolant is carried out on one highway, are less effective for the following reasons:

Useful formula for those who are planning to “warm up”

  • Practically do not allow to adjust the heating of a separate device;
  • As it removed from the source of the coolant, its temperature gradually falls and the last radiator in the chain may be barely warm, and even cold;
  • When an emergency in any section of the network, it is necessary to completely disable heating.

The only advantage of this type of laying of heating pipes compared to two-pipe. its low price.

Similar single-tube heating systems are used mainly in high-rise buildings with centralized consumer provision with warmth.

In the private sector to create autonomous (dropped on one consumer), the heating systems most often use a two-pipe radiators strapping scheme:

A simple two-pipe system looks like this way

All batteries in the system are connected in parallel, so that the two highways work are completely separate and connected only on the terminal radiator.

The two-pipe radiators connection scheme gives the following advantages:

  • The ability to regulate the heating of each device in the chain, which ensures the creation of the most comfortable conditions in different rooms;
  • Regardless of the distance between the boiler and the battery, each of the devices is equally heated;
  • If you need to repair or replace on any section of the system, it does not require a complete trip.

Now we will talk about how to connect the heating radiator with your own hands.

Types of pipe connecting to batteries

But first consider how it is better to connect the heating radiator to the pipes of feed and returns.

You can clearly appreciate which options are most convenient and practical in your case

With this method, pipelines are connected on one side of the radiator:

Side connection The most common and efficient type of connection of radiators and main pipes.

However, its effectiveness decreases when connecting to a network of devices with a large number of sections.

The diagonal connection ensures the uniform distribution of the coolant throughout the device.

When an inverted diagonal connection (feeding from below, the return on top) of the efficiency of the heating system will decrease by 10%.

  • Nizhny. This method of connecting radiators to heat insoles is less efficient (10% lower than with lateral strapping). Therefore, it is resorted to it only for underground (hidden) wiring of heating pipelines.

Placement of heating devices

It is of great importance not only how to connect heating radiators among themselves, but also the correct location in relation to building structures. Traditionally, the heating devices are installed along the walls of the rooms and locally under the windows to reduce the penetration of cold air flows in the most vulnerable location.

It has a clear instruction on this to install heat equipment:

  • The gap between the floor and the bottom of the battery should not be less than 120 mm. With a decrease in the distance from the instrument to the floor, the distribution of the heat flux will be uneven;
  • The distance from the back surface to the wall to which the radiator is attached, should be from 30 to 50 mm, otherwise its heat transfer will be disturbed;
  • The gap from the top edge of the heating device to the windowsill is withstanding in the range of 100-120 mm (no less). Otherwise, the movement of thermal masses may find out that weakens the heating of the room.

To understand how to combine bimetallic radiators, you need to know that they are almost all suitable for any kind of connection:

  • Have four points of possible connection. two upper and two lower;
  • Equipped with plugs and crane Maevsky, through which air can be laid in the heating system;

The most effective for bimetallic batteries is considered a diagonal connection, especially when it comes to a large number of sections in the device. Although very wide batteries equipped with ten and more sections are undesirable to apply.

It is better to think about the question of how to connect two heating radiator 7-8 section instead of one instrument from 14 or 16 sections.

It will be much easier to install and more convenient.

Another question. how to connect the sections of the bimetallic radiator may occur when regrouping the sections of the heating device in various situations:

Connecting radiators heating Schemes of the strapping Installation of batteries

Any heating system is a rather complicated “body”, in which each of the “organs” performs a strictly reserved role. And one of the most important elements are heat exchange devices. it is precisely for them that the final problem of transmission of heat energy or indoors of the house is entrusted. In this capacity, the usual radiators, convectors of an open or hidden installation, which are gaining popularity of water heating system. pipe circuits, laid in accordance with certain rules.

Connecting radiators heating Schemes of the strapping Installation of batteries

This publication will be discussed about heating radiators. We will not be distracted on their diversity, device and specifications: on our portal on these topics. enough comprehensive information. Now we are interested in another block of questions: Connecting radiators heating Schemes of the strapping Installation of batteries. Proper installation of heat exchange devices, the rational use of technical capabilities laid in them is a guarantee of the efficiency of the entire heating system. Even from the most expensive modern radiator will be a low return, if not listening to the recommendations on its installation.

What you need to consider when choosing radiators strapping schemes?

How the heating radiator is arranged

If you simplifically take a look at most heating radiators, their hydraulic design is a fairly simple, understandable scheme. These are two horizontal collectors, which are interconnected by vertical jumper channels, according to which the coolant is moving. This whole system is made of metal, providing the necessary high heat transfer (a bright example. cast-iron batteries), or “dressed” into a special cover, the design of which involves the maximum contact area with air (for example, bimetallic radiators).

Very simplistic. diagram of the device of most heating radiators

vertical channels in the radiator sections;

heat exchange case (casing) radiator.

Both manifolds, the upper and lower, on both sides have outputs (respectively, on the top pair of B1-B2, and the lower B3-B4). It is clear that when the radiator is connected to the pipes, only two exits of four are connected to the heating circuit, and the remaining two jammed. And here is from the connection scheme, that is, from the mutual location of the pipe supply pipe and exit to the “return”, the efficiency of the installed battery depends largely.

And first of all, planning the installation of radiators, the owner must accurately figure out what kind of heating system functions or will be created in his home or apartment. That is, he must clearly represent where the coolant comes and in which direction his stream is sent

One-pipe heating system

In multi-storey houses, one-tube system is most often used. In this scheme, each radiator is inserted into the “gap” of the only pipe, which is carried out and the supply of the coolant, and its removal to the “return”.

Options for single-tube heating stands in a high-rise building.

The coolant passes consistently all radiators installed in the riser gradually cleaned heat. It is clear that on the initial area of ​​the riser its temperature will always be higher. it is also necessary to consider when planning the installation of radiators.

Another point is important here. Such a single-tube system of an apartment building can be organized according to the principle of the upper and lire of the lower feed.

  • Left (pos.1) The upper feed is shown. the coolant on a straight pipe is transmitted to the upper point of the riser, and then consistently passes through all radiators on the floors. It means that the flow direction goes from top to bottom.
  • In order to simplify the system and saving consumables, a different scheme is often organized. with lower feed. 2). In this case, on the top floor of the pipe, radiators are also sequentially installed, as well as on lowered down. So, the direction of the flow of the coolant in these “branches” of one loop changes to the opposite. Obviously, the temperature difference in the first and last radiator of this circuit will still be tangible.

It is important to deal with this issue. on what pipe of such a single-tube system is installed your radiator. the optimal circuit of the insertion depends on the flow direction.

Mandatory condition for the strapping of the radiator in a single-tube riser. bypass

Under the “Bypass” name is not quite understandable for some, the jumper connects the pipe connecting the radiator connections to the riser in the one-pipe system. What is the bypass in the heating system. What rules are guided by installing it. read in a special publication of our portal.

A single-pipe system and in private single-storey houses, at least for considerations of material saving for its installation. In this case, the owner is easier to deal with the direction of the coolant flow, that is, from which side it will be submitted to the radiator, and with what. output.

In any single-pipe system of heating when installing radiators, it is important to accurately know the direction of the coolant flow

Advantages and disadvantages of a single-tube heating system

Attracting the simplicity of its device, such a system is still somewhat alarming the complexity of ensuring uniform heating on different radiators of the house wiring. What is important to know about the single-tube system of heating a private house. How to mount it with your own hands. read in a separate publication of our portal.

Already on the basis of the title it becomes clear that each of the radiators in such a scheme “relies” into two pipes. separately for submission and “return”.

If you look at the two-pipe layout scheme in a multi-storey building, then the differences are immediately visible.

Types of radiators

Modern radiators (in the spacious battery) are ergonomic, attractive externally products that came to replace pig-iron batteries. In the heating of a private house you can use radiators of any of the existing species. The choice depends rather from material capabilities than from the type of battery.

Manufacturers offer 3 types (4th is cast-iron) of modern radiators:

  • Steel. There are tubular and sectional. Tubular more expensive because they are considered more attractive externally. The heat transfer is unique.
  • Aluminum. These products are more efficient than steel in heat transfer. Require a neutral coolant reaction. With an alkaline or acidic environment, quickly come into disrepair.
  • Bimetallic. Combined steel and aluminum batteries. Combine all the positive moments of the first two species and are the most expensive.

note! Any kind of radiators can be connected to polypropylene tubes.

How to independently connect heating radiators among themselves: preparatory stage

To assemble the heating device, you will need the following tools and fittings:

  • Adjustable wrench.
  • Radiator key.
  • Nipples (come complete with sections).
  • Paronite strips.
  • Elastic intersection seals.
  • Two plugs: with right and left thread.
  • Sandpaper 20.
  • Workers gloves.

If it is supposed to work with already installed batteries, then first you need to overlap water access to heating devices. After that, they are disconnected, purified from dust and lime deposits. By the way, in the course of modernization, you can get rid of situations when bimetallic radiators are bad or the rules for their installation are violated. Deposits of a limestone or other character are perfectly removed by sandpaper. Negone, the cleaning procedure is not worth it, otherwise the contamination will be the reason for the leaks of the compounds, and in the simple. leaks.

Connecting heating radiators How to connect batteries

The heating system is created to ensure the warmth of all who live or is in a residential building, an apartment or a building, while connecting heating radiators must be done correctly. Comfortable It is customary to consider the air temperature in the room in the range from 18 ° C to 25 ° C. The power of the heating devices should be such that it compensates for heat loss through the walls outside the wall, doors, windows and other fence structures.

The scheme that determines the connection of heating radiators in its own home, is selected at the design stage of the structure prior to the start of construction work. True, the measures to improve or repair the heating construction can be produced during the premises.

Certainly, if there is in the settlement of the central heating industry, the best solution to the problem with heat supply is to connect to it. In the absence of centralized heating, the autonomous heating system becomes relevant.