Upgrade your Delonghi 5511000028 oil-filled radiator with this genuine changeover switch knob. This high-quality knob is designed to perfectly fit and function with your radiator, providing a seamless replacement for the original part. The Delonghi 5511000028 oil-filled radiator changeover switch knob ensures easy operation and control, allowing you to adjust the settings of your radiator with precision. Keep your Delonghi radiator running smoothly and efficiently with this authentic replacement part.