Features: This comprehensive repair kit restores 720A pressure vacuum breakers (1/2”, 3/4”, 1”) with stainless steel, rubber, and plastic component, excluding damaged valves body or ball valves. Includes all necessary parts for bonnet and PVB repairs, featuring temperature resistant materials (33°F 110°F) and clear installation step for efficient maintenance. Ideal for professional plumbers, irrigation technicians, and DIY homeowners maintaining backflow prevention systems in residential or commercial setting. Ensures safe drinking water supply by repairing 720A PVBs installed on potable water lines to prevent back siphonage contamination risks. This repair solution extends PVB lifespans while meeting critical siphon resistant plumbing code requirements. Specifications: Component:Copper,Rubber Suitable for 1/2”, 3/4”, & 1” Pressure Vacuum Breaker Package Includes: 1Set 720A Pressure Vacuum Breaker Repair Set note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.