The answer to 'sump pump maintenance' is that regular maintenance is essential to ensure your sump pump is working properly and prevent costly water damage. This includes inspecting the pump, cleaning the intake screen, testing the float switch, and checking the discharge line for any blockages or leaks.
It's recommended to perform sump pump maintenance at least once a year, or more frequently if your home is prone to flooding. Be sure to unplug the pump before any maintenance work and follow all safety precautions. If you're not comfortable performing the maintenance yourself or encounter any issues, it's best to call a professional plumber for assistance.