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Hi there, We have a sealed central heating system with a water tank. Every time the hot water goes on, the pressure in the system goes down by 1/2 a bar and there is a gurgling sound which I believe is because of air trapped in the pipes. I believe there is a way to bleed the coil going into...

Hi there, I need please some advice with our heating system... We moved in a house this summer and we are having issues with cold radiators. The CH piping is 10mm plastic and some of the neighbours say that the pipes fitted are not the correct ones and that is why they get blocked. The houses...