Dairymaster Diversion Valve Relay Board PCB The Dairymaster Diversion Valve Relay Board PCB is a replacement electronic control component designed for use within Dairymaster diversion valve systems . This relay board manages the electrical switching required to operate the diversion valve correctly, ensuring reliable control of milk flow during milking, dumping, and wash cycles. Relay boards play a critical role in coordinating signals between the control system and the diversion valve. A faulty or damaged PCB can cause incorrect valve operation, delayed response, or complete failure to divert milk as required. Replacing the relay board helps restore accurate control and dependable system performance, reducing the risk of operational issues in the parlour. The Dairymaster Diversion Valve Relay Board PCB is manufactured to suit compatible Dairymaster diversion valve assemblies, providing correct fitment and reliable electrical performance when installed correctly. Using the correct relay board helps protect other electrical components and ensures the diversion valve responds accurately to system commands. This PCB is ideal for routine maintenance, fault diagnosis, or targeted repair