hw but no ch

Hi, My boiler has been working fine for years, until yesterday when I had no CH and an 8 displayed. After spending the next 12 hours on here and other sites, I have identified the following. I am looking for suggestions as a few plumbers that I have called won’t entertain it and would only...

Hi just moved in and the boiler has been off for some time. Had some new rads installed. Boiler has also now been connected to a Nest. Rads were also bled. Boiler is providing the hw fine but no ch. Also the pressure is dropping to 0 after about 4-6 hours after pressurising system to 1.5 bar...