The 21' non-tangle hose connects directly to your pool's inlet to generate suction. The cleaner's oversized wheels rotate in one direction to maintain an efficient path picking up leaves, dirt, sand, and bugs.
Seal failure is generally a result of the pump running dry due to lack of water in the pump. The principal cause of motor going bad is water leaking from the the wet end of the pump, back into the motor or electrical end.
Use it as a pool backwash hose, pool drain hose, or pool hose for inground and above-ground pools that need extra reach. It also works well as a pool filter hose or pool pump hose for common residential pool maintenance tasks where a longer hose is needed.