A down stairs hot tap drips so needs fixed. I think I can fix this but dont know how to switch the hot water off as cant see a tap leading from the tank. The salesman that sold me the house said it had a mains pressure hot water system with a big red expansion tank next to the hot water tank. If I switch the cold mains off, will this stop the pressure in the hot system? Surely I will be flooded with all the water above me from the first floor pipes, and tank when I take the tap to bits?
I am also worried that if I manage to get it fixed, how do I repressurise the hot water system?
I am also worried that if I manage to get it fixed, how do I repressurise the hot water system?