Should the radiator be fitted with angle valves?
Angle valve is installed to replace the radiator and facilitate maintenance later. (even a water separator is recommended.)
You are central heating, plus no need, the pipes are connected in series. Maintenance time to shut down the main valve on the line, and if there is water separator, it is not necessary.
In each set of radiator inlet and outlet, it is best to install the valve:1, you can adjust the opening degree to adjust hot water flow, so as to adjust the temperature balance of the room, to prevent some rooms hot, some rooms cool.2. It can be conveniently closed at the time of maintenance and inspection. It can be replaced or maintained separately. It does not affect the use of other rooms.