Loss of pressure in your system. The system’s pressure is determined by the amount of water it contains
In most cases, the leak will be coming from one of the below the Valliant eco tec does have a tendency to leak from a few places , Most common is the 3 way diverter valve, which will need replacing. It needs to be fixed if increasing your boiler’s pressure and it continues to drop. Call us on 07855382189
Our highly-trained tradesmen are available at any time of day or night. As you would expect from AA 24/7, we are polite, professional and fully insured. We also practice social distancing measures and will never leave a mess behind.