Compatible DeLaval Duovac Top Lid with Exit ATOP (989473-02) The Compatible DeLaval Duovac Top Lid with Exit ATOP is a premium-quality replacement component designed to deliver secure sealing and reliable vacuum performance for DeLaval Duovac systems . Engineered for precision fit and durability , this lid ensures consistent air control , smooth operation , and efficient milking performance across all system types. Manufactured from robust, chemical- and impact-resistant materials , the lid withstands daily parlour use, cleaning routines, and chemical exposure , ensuring long service life in demanding dairy environments. The precision-moulded design provides an airtight, leak-free seal , maintaining vacuum stability and helping to prevent system inefficiencies or performance loss. The Compatible DeLaval Duovac Top Lid with Exit ATOP directly replaces DeLaval part number 989473-02 , offering a cost-effective, reliable alternative to OEM parts. Designed for easy installation and maintenance , this lid allows for quick replacement, helping to minimise downtime and maintain consistent milking efficiency . When correctly fitted, this lid helps to: Maintain stable and efficient vacuum pe
