Watts Water Technologies LF800M4-QT Pressure Vacuum Breaker

The Watts LF800M4-QT Pressure Vacuum Breaker is a 1/2 in, lead-free backflow preventer with a 1/2 in female NPT connection designed to protect potable water systems from backsiphonage. Its lead-free bronze body and engineered polymer bonnet house a spring-loaded check valve and quarter-turn ball shutoff valves, with test cocks included for reliable cross-connection testing and commissioning. Designed for irrigation and potable water applications, it is installed in vertical orientation and is suitable for lawn and landscape irrigation, commercial sprinkler systems, agricultural water distribution, greenhouse operations, laboratory facilities, schools, hospitals, and other industrial or commercial water systems that require approved backflow protection. Compliance options include ASSE and CSA-approved models, making it a standard choice for regulatory compliance, system upgrades, and new installations needing dependable backflow prevention.