Camping without full hookups and I thought all I had to do was attach the drinking water hose to the black inlet and make sure the blue lever is horizontal, but the tank never filled. Weird note, though, afterwards a small trickle of water came down from the roof at the corner.
THE PHOTO IS TURNED SIDEWAYS. THE WHITE INLET IS ON THE BOTTOM LEFT.
THE PHOTO IS TURNED SIDEWAYS. THE WHITE INLET IS ON THE BOTTOM LEFT.