Yes, you can replace just the showerhead without changing the entire faucet system. Showerheads are typically designed to be easily interchangeable and are connected to the shower arm, which is a pipe extending from the wall. To replace the showerhead, you simply need to unscrew the old one from the shower arm and screw on the new one. This process usually requires minimal tools, such as an adjustable wrench or pliers, and some plumber's tape to ensure a watertight seal.
Before starting, turn off the water supply to avoid any leaks. Wrap the threads of the shower arm with plumber's tape to prevent leaks and ensure a snug fit. When attaching the new showerhead, hand-tighten it first, then use a wrench for a secure fit, being careful not to overtighten, which could damage the components.
Replacing just the showerhead is a cost-effective way to upgrade your shower experience, improve water pressure, or add features like a handheld option or multiple spray settings. It does not require any changes to the existing plumbing or faucet system, making it a straightforward DIY project.