Bathroom mixing device

In a device of the class herein described, a main structural body containing provisions at one end for attachment to a standard plumbing outlet, and provisions at the opposite end for attachment of a common shower head, or the like, and having internal passages through both ends communicating with a cylindrical chamber near the center, a revolvable cylinder located within the cylindrical chamber having a main passage, and a double acting seal that, when fluid pressure is applied to the seal from either one of two directions, shall efficiently stop the flow of liquids at that point, a small vertical passage communicating with the cylindrical chamber at one end and a larger vertical passage at the other end, a ball, free to move vertically through the larger vertical passage to a cone formed at, and by, the juncture of the larger and smaller vertical passages, a secondary structural member attached to the main structural body and containing a chamber and having a well within the chamber, wherein a vertical post is located at the center of the well, and directly beneath the larger vertical passage of the main body, a small vertical passage communicating with the chamber and a mixing container, a small lateral passage communicating with the well at one end and opening into a larger lateral outlet passage at its opposite end, a small vertical passage communicating with the container at one end and entering into, but perpendicular to the larger lateral outlet passage.