The answer to 'shut-off valve maintenance' is to regularly inspect and test your home's shut-off valves to ensure they are functioning properly. This is an important plumbing maintenance task that should be done at least once a year to prevent leaks, water damage, and other plumbing issues.
To maintain your shut-off valves, start by locating the main water shut-off valve, usually near your home's water meter or where the main water line enters your home. Also identify any other shut-off valves for individual fixtures or appliances. Visually inspect the valves for any signs of damage, corrosion, or leaks. Then, turn the valve handles clockwise and counterclockwise to ensure they open and close smoothly. If a valve is stuck or difficult to operate, it may need to be replaced by a professional plumber.