Clicking radiators?

Noise from radiators is normally down to air. You could try venting your radiators.

One of the common reasons for a successful radiator valve tap is that the pressure in the heating system is not properly adjusted. An increase or decrease in pressure results in an increase in the installation. The spring that goes in the process expands, and as the pressure drops, it contracts again, regenerates and reproduces itself. It may also be the reason for introducing a given pump in a specific installation. If the device is too strong, it has built up too much pressure. If during the installation there are no installations installed in the riser installations, the solution for the installation solution which is to install the relief installation should be accepted again. Place yourself right behind the pump and always open when the pressure you want it to be at.