How to make a long radiator heat completely with a side connection

Often, a long radiator with a side connection heats only half. The sections distant from the supply line remain cold, since the coolant does not circulate in them. This problem is usually solved by connecting the battery diagonally, but there is a simpler, cheaper and faster solution that does not require reworking the entire system. It is enough to install a flow extender on the return line. It is a tube that fits directly into the horizontal radiator channel. Through it, the coolant will be supplied to the return line exclusively from the last section, so before that it will be able to pass through the entire battery, ensuring its uniform heating.

Materials:

  • Heating radiator 3/4 inch;
  • adapter collet/fitting 16x1/2 inches external thread;
  • metal-plastic pipe 16 mm;
  • futorka 1/2 inch internal thread - 3/4 inch external thread;
  • linen or fulenta.

Flow extender manufacturing process

To assemble the flow extension, you need to screw a fitting with a 1/2-inch thread transition into the large radiator fitting from the outside.

On the other inner side, an adapter for a 16 mm collet is wrapped. All this needs to be compacted with flax or fumlenta.

Next, you need to install a metal-plastic pipe on the adapter. To do this, unscrew the nut from it and remove the ring. They need to be placed on the pipe, and then its edge should be flared. It is then attached to the adapter.

After this, you need to attach the pipe to the radiator and mark the place where it reaches the last section, but does not yet rest against the plug. After this, the pipe is shortened.

Now we screw the flow extension into the battery to the return line.

An American woman is already joining him. Since the result is a displacement of the threads, a fitting with a thread transition of 1/2 inch is also installed in the supply radiator fitting to achieve symmetry. Then the modified battery can be connected to the system with the standard American ones that were previously available.

Watch the video

One of the reasons why a working battery does not heat well is https://home.washerhouse.com/en/8371-1-iz-prichin-pochemu-ispravnaja-batareja-ploho-greet.html
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Comments (7)
  1. SanSanych
    #1 SanSanych Guests 5 January 2022 20:34
    27
    Is it really so difficult to connect, for example, the lower tap on the other side of the battery and have a full warm-up, what to do?
  2. Alex
    #2 Alex Guests January 9, 2022 11:42
    2
    Diagonal can be done faster and without additional materials, besides, the tube inside will block the flows in the sections closest to the supply and reduce the overall efficiency of coolant circulation.
  3. Guest Mikhail
    #3 Guest Mikhail Guests 9 January 2022 14:06
    4
    There are no problems with long batteries when connected from the side. The coolant will not go down until it cools down.
    And in the infrared photo the connection is upside down (flow from below, return from above).
  4. Engineer
    #4 Engineer Guests 9 January 2022 22:16
    7
    The result is immediate artificial closure and the impossibility of normal coolant circulation inside the device. A little later, due to a sharp decrease in the flow rate, dirt will begin to fall out of the coolant and further clog the internal space. The third point: when filling the system, there will be irremovable, impenetrable air pockets. All the talk “we’ve done this a hundred times and everything is fine” comes down to a heating system failure, an expert report and a lost lawsuit for large sums.
    1. Guest Konstantin
      #5 Guest Konstantin Guests 23 January 2022 15:21
      3
      Do you want to say that a company that has a range of flow extenders for radiators just started producing them out of the blue? To deliver hemorrhoids to clients? And why should an accident occur if all connections to the riser are made with metal pipes and there is a bypass?
      1. Stepan Upyrev
        #6 Stepan Upyrev Guests 14 February 2022 20:25
        2
        No, these companies are just making money. Nothing personal)
  5. Stepan Upyrev
    #7 Stepan Upyrev Guests 14 February 2022 20:24
    0
    Taking into account the truncation of the flow by the fitting for metal-plastic, it becomes clear why the thermal image after such a collective farm is not shown. The battery will generally be blue. No one can clearly explain how life will force you to reach such a delicacy)