Angle stop assembly

An automatic angle stop assembly comprising

• an angle stop body;
• an angle stop valve disposed within the body;
• and
• an angle stop adjustment device coupled to the body,
• wherein
• the angle stop valve is configured to be in flow communication with an inlet of a flush valve for a toilet or a urinal,
• the angle stop adjustment device is configured to automatically adjust a position of the angle stop valve based on a fluid flow rate through the angle stop valve during a flush cycle, and
• the angle stop adjustment device is configured to automatically adjust the angle stop valve to an intermediate position between a fully open position and a closed position.