The distribution manifold works quite simply. Immediately from the boiler, the heating element enters the distribution manifold, from where it is distributed in different branches to the heating radiators.

Content:
- Types and selection criteria ↓
- The best manufacturers, price ↓
- Rehau HKV ↓
- Rehau HKV-D ↓
- Rehau hlv ↓
- DIY installation ↓
A separate tube leads to each heating element. If you look at the principle of heating, then when the water cools down in the radiator, it returns to the distribution manifold, and from it to the boiler for heating. Therefore, all the batteries in the house warm evenly, and each of them has a separate pipe for supply coolant.
The distribution manifold has its advantages:
- Ease of use. The comb allows you to keep all communications in one place. The owner no longer needs to get under the sink to turn off the mixer when the axle box breaks. With a comb, even a child who is left alone at home will be able to shut off the water.
- Reliability of heating. To the living room, from the dispenser to cranes and heating radiators, lay one solid pipe, on which there are no unnecessary connections. If the pipe was purchased from a reliable manufacturer with a long-term quality guarantee, then the leak in the walls should not occur.
- No pressure drops. When distributing wiring and maintaining normal pressure in the system, there are no drops. In addition, the flow of coolant can be limited to each point of consumption, but then valves must be on the distributor. If it so happened that the system has a small pressure, then you can reduce the water supply to the toilet, if the tank is typed several times slower, this will not affect the comfort of the owners.
The disadvantages include the high cost of distributing water with a collector.
Types and selection criteria

Distributors can be:
- With shutoff valves and without.
- With valve or ball valves.
- Under the thread or under the euro cone.
The comb may be:
- brass;
- steel;
- copper;
- polymer;
The number of contours connected to the comb can be from two to twelve.
Combs are sold both cheap - simple designs, and modern advanced, which are more expensive.
Before you purchase a distribution manifold, you need to consider and weigh all the requirements, as well as the functionality that you want to see in it.
Moreover, not only the material from which this part is made deserves especially close attention, but other parameters.
Therefore, experts recommend that you focus on these functional characteristics:
- Throughput ratio - which should be greater than or equal to the volume of the water flow that should be distributed among consumers.
- Theoretically calculated pressure parameters, or how many bars the distribution manifold can withstand.
- Does the selected equipment allow you to attach additional pointswho need water intake?
If you are not too sure of the correctness of your own choice, then seek the advice of specialists, since conducting a water distribution pipeline at home is a very responsible matter.
The best manufacturers, price

The Oventrop brand is very famous, both in the domestic and international markets, its products are well sold out.
He produces products that are made of tool steel, in which valve additions are built-in, thanks to which the system operates:
- Maximum working pressure - 6 bar at a temperature of 70 degrees. The price of this model, as well as any other, depends on the number of circuits. So, the cost of the distributor, designed for 2 circuits, is approximately 3,500 rubles., For 12 circuits, respectively - 11,500 rubles.
- The maximum working pressure and temperature is similar to the previous model. The price of the collector for 2 circuits is 4000 rubles, for 12 circuits - 16000 rubles.
- It can withstand a maximum internal pressure of 10 bar and a working boiling point of water. The cost of a double-circuit distributor is - 2000 rubles, for 12 - 7000 rubles.
The most popular are the following models of distribution manifolds of the Rehau brand:
Rehau HKV

Made from brass, brand Ms 63. It allows you to warm water no more than 80 degrees, withstands pressure up to 6 bar. Such a dual-circuit collector will fly into you at about 7000 rubles, for 12 circuits it will cost 19000 rubles.
Rehau HKV-D

Made of brass, brand Ms 63. Performance, as with the above model. The cost of a dual-circuit device is 8,000 rubles, for twelve-loop devices - 21,000 rubles.
Rehau hlv

Made from brass Ms 63. Technical specifications are the same as those of the above models. The price of a dual-circuit collector is 5000 rubles, and twelve-circuit collector - 10500 rubles.
DIY installation
Even at the stage of heating design, you need to decide where exactly your pipes will go and where it will be logical to put the collector.
Don't put it too low, since you need to leave room for normal bending of pipes, in addition, the comb should not be far from the main pipes.
As a rule, they try to hide the collector in a special built-in closet that is mounted in a niche or hung on a wall.
Before you start installation, you need to really assess your strength. If you feel that you can’t cope, then it’s better to call the wizard.
For installation you need to stock up:
- dispenser;
- dowels;
- clamps;
- a drill;
- brackets;
- a complete set of tools;
The collector is mounted on the wall with plastic dowels or brackets - this is the cheapest and easiest way.
Tips:
- If the dispenser is on the lower floor, and the batteries on the top, the automatic Maevsky cranes must be installed on radiators without fail.
- When several radiators are on the ground floor of your houseand the others on the second, then you can connect the two collectors so that they are directed in different directions. Then the air vent can be omitted.
- Maximum distance between comb and batteries should be up to 20 m, if placed further, the radiators will be cold.
- The location of the distributor must be provided so so that it is approximately the same distance from all batteries.
If you assemble the comb yourself, then this installation will cost several times cheaper.
When assembling, observe the following sequence:
- Put the circulation pump on the union nutsDo not forget about gaskets for tees.
- Screw adapters with union nutto connect the distributor to the pump group.
- Align the mixing unit with the thermal head and a mixing valve to the pump group.
If you are not confident in your own abilities, then entrust the installation of a comb to a specialist.