AUTOMATIC PROTECTION, SAFEGUARDS WATER SUPPLY: The pressure vacuum breaker automatically prevents contaminated water from flowing backward into potable lines. It protects against backflow from irrigation, sprinkler systems, pools, and hose connections,preserving the cleanliness and safety of your household or facility water supply. MAXIMUM DURABILITY & RESISTANCE: Built with a thickened, brass body and solid metal top cover, this backflow preventer offers exceptional resistance to , and UV exposure. the all-metal construction withstands harsh outdoor conditions, ensuring long-term reliability for residential, commercial, and industrial applications. EASY INSTALLATION & VERSATILE APPLICATION: Equipped with standard 1-inch male NPT threads, this unit installs quickly using common plumbing tools and can be mounted in multiple orientations as allowed by code. Ideal for lawn sprinkler systems, boiler feed lines, commercial faucets, guarding against both back-siphonage and back-pressure. UPGRADED SEAL, PERMANENT LEAK-PROOF: Factory-applied high-strength sealant replaces fragile tape, forming a uniform, permanent thread seal at installation. This eliminates tape shredding, misalignment, or loosening over time, delivering reliable leak-free performance pressure-tested up to 400 PSI in demanding plumbing and irrigation systems. BUILT FOR PERFORMANCE & FREEZE PROTECTION: Engineered for high-pressure service up to 400 PSI, this heavy-duty assembly maintains stable operation under fluctuating system conditions., Weight: 5.291094288 pounds, Manufacturer: Xnuiasqe