Apollo Valves 4A904A2F Pressure Vacuum Breaker, 3/4 in Connection, 150 psi Max Pressure, Brass

The Apollo series SVB 4A spill-resistant vacuum breaker is designed to prevent contamination of the potable water supply due to back-siphon age. The SVB is ideally suited for continuous pressure, indoor applications where water spillage is undesirable. The device has a straight through flow path for minimal head loss. All components are easily accessible for easy repair and maintenance. All components are made of corrosion-resistant materials for years of reliable service. Should be installed 12 in above all downstream piping.