The answer to 'supply line making noise' is that a noisy supply line is often caused by water pressure issues, worn washers, or loose connections. This can lead to banging, whistling, or other disruptive sounds coming from the plumbing. The good news is that many supply line issues can be fixed with some basic DIY troubleshooting and repairs. However, more complex problems may require the expertise of a professional plumber.
Some common causes of supply line noise include high water pressure, worn washers or valves, loose connections, and mineral buildup. These issues can create a variety of sounds like banging, whistling, or vibrating. Identifying the specific cause is key to finding the right solution.