How to Replace a Toilet Fill Valve: The 15-Minute Job and the 4 Mistakes That Make It Fail
How to Replace a Toilet Fill Valve: The 15-Minute Job and the 4 Mistakes That Make It Fail By Ariel, last updated June 30, 2026. Replacing a toilet fill valve is a 15-minute job. The part costs $12. The four most common mistakes people make during the install (wrong water level, twisted refill tube, over-tight…