Why a sewer jetter pulls its own hose down the pipe and what that means for clearing a blockage safely
Feed the hose of a jetter into a drain, open the pressure, and the hose starts moving deeper on its own. No one is pushing it. That self-feeding motion surprises most first-time users, and understanding it explains nearly everything about how a sewer jetter clears pipe, and why it demands more care than a drain snake.