The answer to 'lifespan of drain trap' is that a properly installed and maintained drain trap can last for many years, often 10-15 years or more. Drain traps are an essential plumbing component that prevent sewer gases from entering the home and also catch debris that could clog pipes. They are designed to be durable and withstand the regular flow of water and waste through the system.
However, drain traps can become damaged or clogged over time, especially if they are not properly maintained. Factors that can affect the lifespan of a drain trap include the material it is made of, the amount of use it gets, and any debris or buildup that accumulates inside it. Regular cleaning and inspections can help extend the life of a drain trap, but eventually most will need to be replaced as part of normal home maintenance.