Fullwood rationmaster jump valve. The Fullwood Rationmaster Jump Valve is a key component that keeps your feeding system responsive and accurate during every milking. Designed to deliver quick, reliable switching between ration settings, it ensures each cow receives the correct feed amount—supporting calmer routines, better cow focus, and consistent performance in the parlour. Built for the demands of busy dairy environments, this jump valve offers strong durability, smooth operation, and easy installation. Whether you’re replacing a worn valve or refreshing an older Rationmaster setup, it’s a practical part that helps maintain dependable feed delivery and steady cow flow day after day. Ideal for: Fullwood Rationmaster feeding systems Restoring smooth, accurate ration changes Replacing worn or sluggish jump valves Supporting steady cow flow and reliable feeding behaviour