The answer to 'toilet repair replacement frequency' is that most toilet components last 5-15 years with proper maintenance. The toilet tank, bowl, and flushing mechanisms are designed to withstand frequent daily use, but over time the rubber seals, valves, and other parts can wear out and need replacement. With regular cleaning and prompt repair of any leaks or clogs, a toilet can often function well for a decade or more before needing a full replacement.
Factors that affect toilet lifespan include the quality of the original installation, the hardness of the local water supply, and how heavily the toilet is used. Toilets in high-traffic bathrooms may need more frequent maintenance and part replacements compared to guest bathrooms that see lighter use. Calling a professional plumber for annual toilet inspections can help identify any issues early and extend the toilet's useful life.