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Hello I have a leak somewhere on my heating system as I am loosing pressure, before I will start to rip off my laminate flooring I want to isolate the boiler from the system by closing the valves on the heating pipes. Do I need to switch off the boiler from mains before I close the valves ...

Hi, a have very strange problem with my boiler so I will try to describe this as good as I can :) I have Vaillant boiler I think is Ecotec but I can't find any details about which model it is. First problem is, when open a hot tap, water is getting warmer and after a few second is cold and then...