Heating stop time in Dalian in 2021

With the arrival of spring, the north is about to enter the end of heating period. The heating starts and ends in different places. Here is the heating stop time in Dalian in 2021. So, when will Dalian stop heating in 2021? Does the radiator need to be drained after stopping heating? Here we will bring you the time for Dalian to stop heating in 2021 and the preparations after stopping heating.

When will Dalian stop heating in 2021?

Dalian heating stop time in 2021: November 5, 2020 - April 5, 2021, which is the heating period of Dalian City this year.

Does the radiator need to be drained after the heating is stopped?

Do not drain the radiator after the heating is stopped. It must be filled with water for maintenance. Generally, when heating is stopped, the pump will be stopped at 24:00 on the day when heating is stopped. Most people will close the main shut-off door at home after the next day. In fact, this is wrong. You should close the main shut-off door before stopping the pump, so This is called full water maintenance, which is also the main cause of internal corrosion of the radiator, because the water cannot be maintained after the pump is stopped.

Most residents will try to save trouble by closing the main valve of the outdoor heating well. Yes, closing this will cause full water maintenance, but there is a problem. Your main valve is outdoors, not in your home. , you can close it, but during the 8 months of the non-heating season, who can guarantee that no one will open it? Of course, it is all unintentional. Once the main valve is opened, the full water maintenance of the radiator will be wasted. If your home The main cut-off door is inside the outdoor pipe well. It is recommended that after closing the main cut-off door, you should close the water supply and return valves of each group of radiators at the same time, so as to ensure that the radiators are full of water for maintenance.

What other things should be paid attention to?

First of all, due to the lowering of the temperature of the radiator, problems such as leakage and leakage may occur. These problems need to be checked and repaired in time, and there are some For other problems, such as replacing the valve or replacing the bleed valve, etc., except for water leakage, I personally recommend repairing it one month before heating starts, so as to maximize the maintenance time of full water.

Also note that after the heating of each valve is stopped, a few drops of engine oil can be added to the valve stem to ensure the lubrication, sealing and anti-oxidation of the valve stem.

After stopping heating, we should pay attention to closing the valve of the heating water pipe in time, firstly to protect the water pipe, and secondly to prevent leakage from occurring when the heating unit conducts irregular water pressure tests.

To sum up, the introduction of the heating stop time in Dalian in 2021 shows that heating will be stopped in April this year. Does the radiator need to be filled with water after stopping heating? Remember to fill it with water for maintenance, so do not drain it. Understand when the heating will stop heating, and perform maintenance after the heating is stopped to make the heating system last longer.