Using this Bosch drain sump bellows hose is easy. First, make sure your washer is turned off and unplugged. Then, carefully remove the old hose from the drum and pump housing. Next, connect the new hose to the drum and the pump housing, making sure it's securely attached. Finally, check the drain tube outlet to ensure proper drainage. When using the washer, always follow the manufacturer's instructions. As for maintenance, periodically check the hose for any signs of wear or damage, like cracks or leaks. If you notice any issues, replace the hose promptly. Also, keep the area around the hose clean to prevent blockages. If you're ever in doubt about anything related to this hose, don't hesitate to contact us.