In fact, it is not difficult to use the key opening method, because the temperature of the heating must be adjusted before leaving the factory. The "heating" valve should have only two directions. The handle opens when moving along the pipeline and closes when rotating 90 degrees.
If some radiators are not hot, most of the problems are that there is air damping in the heating cavity, which prevents the flow and circulation of water. It is recommended to open the exhaust valve of the heater to exhaust gas, and close the exhaust valve after the hot water is discharged from the exhaust port for a period of time.
The pressure regulating valve should be heated clockwise. If the heating in the living room, bedroom and study room is different, you can open the backwater valve to let the water circulate. If there are no other problems, it should be possible to adjust to the corresponding temperature.
The extended data magnetic lock valve consists of a spring, a lock head and a valve body. The valve lock can be attached to the valve at will, but it cannot be removed at will. It is characterized in that the side end of the lock head is provided with four spring holes at equal intervals, and springs abutting against magnetic marbles (balls) are arranged in the spring holes;
When the letter "C" on the key is aligned with the letter "C" on the magnetic lock cover and inserted into the lock head, a magnetic marble corresponding to the lock head is fixed at one end of the key close to the lock head, and the upper end of the valve stem on the valve body is provided with a rotary valve sleeve matched with the valve hole opened at the lower part of the lock head. Press the magnetic lock lightly by hand and lift it lightly to open the magnetic lock, then the valve switch can be operated. When closing, insert the magnetic lock directly on the valve.
Baidu encyclopedia-magnetic lock valve