Features: Designed as a direct replacement, this water valves top dome assembly integrates a high precisions gauge for real time pressure monitoring and maintains 50PSI control in pool filtrations systems. Featuring tool free installation within 10 minutes and port configuration, its non electric design includes a run/pause switches for isolated circuit control and clear pressure indicators for maintenance alerts. Perfect for pool owners, maintenance technicians, and commercial facility managers requiring reliable water flow regulation in residential or public environments. Ensures smooth operation in swimming pool filtrations systems, spas, and water treatments equipment where precise pressure management and quickly filter maintenance are critical. Engineered with plastic construction and compatibility across setups, its snap on gauge housing eliminates electrical dependencies while providing leak resistant performances. Specifications: Material: Plastic Size: As Picture Shows Package Includes: 1 Set Water valves Top Dome Assembly note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.