changing from a vented system to system boiler, 5 out of 7 of my rads are new or nearly new.
I know that there is loads of gunge in the pipework. should I still have a powerflush or would flushing the system out with a cleaner be enough? thanks
I know that there is loads of gunge in the pipework. should I still have a powerflush or would flushing the system out with a cleaner be enough? thanks