#centralheating

I had previously switched off the central heating unit by switchin off the main switch as shown in the image below. I did this because I felt the heating unit was continuously running and my electricity bill was shooting up. The problem is that when I turn on the main switch it doesn’t turn on...

Hi all, looking for some suggestions to try and understand why my system is losing pressure. I have a system boiler serving an unvented hot water cylinder and central heating. Central heating circuit is set to 1 bar but drops to 0.8 every 1-2 days but doesn’t drop any further. central heating...

Hi, First post so apologies if I miss anything out! I moved into a house around 5 years ago (UK) with a standard gravity fed Central heating System connected to a Sunier Duval Xeon 50ff boiler. In the airing cupboard there are two zone valves and a Pump and in the loft two expansion tanks one...