Dairymaster Pulsation relay dust cap The Dairymaster Pulsation Relay Dust Cap is a genuine Dairymaster replacement part designed to protect your pulsation relay from dust, debris, and moisture — helping to maintain smooth, reliable operation and prolong the life of your milking equipment. This simple yet essential component plays a crucial role in keeping the pulsation system clean and airtight . By preventing contaminants from entering the relay housing, the dust cap ensures consistent airflow, stable vacuum control, and accurate pulsation — key to efficient, comfortable milking. Manufactured from high-quality, durable polymer , the dust cap is resistant to cracking, UV exposure, and harsh cleaning chemicals. Its snug, precision fit ensures long-lasting protection in the demanding conditions of the dairy parlour. When properly installed, the Dairymaster Pulsation Relay Dust Cap helps to: Protect internal relay components from dust and dirt Maintain consistent vacuum performance Reduce system wear and prevent air leaks Extend the lifespan of pulsation parts Ensure reliable milking efficiency and cow comfort Key Features of the Dairymaster Pulsation relay dust cap: Genuine Dairymast