In this case, your inside main shutoff valve (Photo 3) is probably near your furnace or water heater, just before it enters a flying saucer–shaped doodad called a pressure regulator. There's ...

Then close the water heater drain valve and turn on the cold water supply. Remember also to return the pressure-relief valve to its initial position. Shut off the hot water faucets around your ...

Most shut-off valves are where the water line enters the house, generally where the garden hose is connected, in the basement near the hot water heater or inside the garage. If you live in an ...