As per title I have a water booster and it is now broken but I am not sure I can have heating on as it may be topped up by the booster. The booster was for taps and 2 power showers so no no showers and only a trickle from cold less from the hot. Its an oil fired CH system with a condensing boiler. A bit concerned I may do damage. I believe the CH is a closed system. 13 years old and has worked flawlessly.
help
help