The mark consists of a human-like figure formed by a vertical white cylinder having blue stripes across the top and bottom thereof. The figure has two eyes, a nose and mouth located in the center of the top half of the vertical cylinder, rendered in black, two folded arms located on the left and right side of the top half of the vertical cylinder, and two gray feet located on the bottom end of the vertical cylinder. The figure has a gray protrusion extending from the top thereof, as in a hat. The figure also has a red belt with a red and gray buckle. The figure is superimposed over a circular yellow field. The literal element "Mr. Waterheater" is rendered in red letters outlined in black and is superimposed over the figure and the yellow field. The literal elements "Keeping water HOT!" and "Since 1981" are situated around the outer edge of the yellow field and are rendered in black letters.