Using this Bosch drain sump bellows hose assembly is straightforward. First, make sure your washing machine is unplugged and turned off. Then, remove the old hose assembly carefully. Place the new assembly in the same position as the old one, ensuring a tight fit. Connect the drain tube properly. When using your washing machine, don't overload it as this could put extra stress on the hose. As for maintenance, check the hose regularly for any signs of wear, like cracks or leaks. If you notice any issues, replace the hose right away. And remember, if you're not sure about anything during installation or use, feel free to reach out to us.