A plunger usually fails for one of three reasons: Here’s how to troubleshoot each one. 1. You’re not getting a good seal The plunger needs to be completely submerged in water and make airtight contact with the drain opening. If air escapes, you lose the pressure that clears the clog.
Here’s a straightforward write-up to help you diagnose why your plunger might not be working and how to fix it. You’ve got a clogged drain, you grab your trusty plunger, give it several vigorous pumps… and nothing happens. The water barely moves, or it just splashes back at you. Frustrating, right? why is my plunger not working