Questions about: steam

You have two valves you can access here: The round knob on the bottom controls the flow of steam/water in/out of your radiator. This should typically remain fully open unless you are servicing the radiator. The white, numbered knob attached to the ai
Water can run for some distance inside a ceiling before finding a path to visibility, so the leak might not be where you think it is. Check all the radiators above the first floor for visible leaks or wetness. The leak could be very small and intermi