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One-inch pressure vacuum breaker prevents back-siphonage of contaminated water into pressurized, potable water supplies
Easy to winterize with the twist-off cap
Economical and easy to install; built-in unions for easy maintenance
Works with any brand of irrigation systems
1-inch female NPT inlet and outlet
Product Description Toro 53300 1-Inch Sprinkler System Pressure Vacuum Breaker Amazon.com The Toro 1-inch pressure vacuum breaker prevents the back-siphonage of contaminated water into pressurized, potable water supplies. Economical and easy to install, this atmospheric vacuum breaker makes it simple to winterize with the twist-off cap. The reliable design features a one-inch female NPT inlet and outlet and built-in unions for easy maintenance and easy access to test ports. For new or replacement installations, this pressure vacuum breaker works with any brand of irrigation system.