The answer to 'water line replacement maintenance' is that water line replacement should be done every 20-30 years, or if you notice any leaks, low water pressure, or discoloration in your water. Proper maintenance and timely replacement can help prevent costly water damage and ensure a reliable water supply for your home.
Water line replacement is typically a job for a professional plumber, as it requires digging, turning off the main water supply, and properly connecting new pipes. DIY water line replacement is not recommended unless you have extensive plumbing experience. A professional plumber can assess the condition of your water lines, determine if replacement is necessary, and complete the work safely and to code.