Upgraded Three Quarter Inch 720A Pressure Vacuum Breaker Assembly For Irrigation Systems Pro Grade Thickened Brass Backflow Preventer Valve Back Siphon Valves Sealant Over Teflon Tape Max 400 PSI
✔️ Single-unit brass PVB with sealant tech, 3/4 in connection, 400 PSI
The 3/4 inch pressure vacuum breaker assembly is a backflow prevention device designed to protect water supplies in irrigation systems. This brass backflow preventer stops contamination and cross-flow in residential and commercial setups, especially for sprinkler lines.
✅ 3/4 in (19.05 mm) brass connection backflow valve rated to 400 PSI
✅ Sealant-based gasket improves seal durability over tape-based methods
✅ Pressure-tested for reliable performance in high-pressure piping
✅ Automatic vacuum break prevents backflow in sprinkler systems
✅ Suitable for outdoor irrigation, cooling systems, and more
💡 What is a backflow prevention valve used for in irrigation systems? This handy device protects drinking water by stopping contaminated water from flowing back into the supply. - It blocks reverse flow to maintain potable water safety. - It works with standard 3/4 in brass PVB assemblies and is pressure-rated. - Easy installation and basic troubleshooting help keep systems secure. - Durable brass construction and sealant-based sealing resist corrosion.