Dairymaster Aquajetz Non-Return Valve Ball (Pack of 4) The Dairymaster aquajetz non-return valve ball is a precision replacement component designed to maintain correct one-way flow and reliable wash system performance within Dairymaster Aquajetz wash units. Non-return valve balls play a vital role in preventing backflow, ensuring wash water and chemicals move in the intended direction during cleaning cycles. During regular operation, valve balls are exposed to water pressure, temperature changes, cleaning chemicals, and repeated movement. Over time, wear or surface damage can affect sealing performance, leading to reduced wash efficiency or inconsistent system operation. Replacing worn components with the Dairymaster aquajetz non-return valve ball helps restore proper valve function and dependable wash action. Manufactured to suit Dairymaster Aquajetz systems, the Dairymaster aquajetz non-return valve ball is engineered for accurate fitment within the valve housing. Correct seating of the valve ball is essential for maintaining effective circulation, preventing backflow, and supporting thorough internal cleaning of milking lines and equipment. This product is supplied as a pack of