Apollo 4A Series Pressure Vacuum Breaker Assembly | 3/4 in. & 1 in. Size:1" As the drainage pipes fill

As the drainage pipes fill and build up slight pressure

Operating Pressure: 40-75 PSI

Replaceable Blade

This is a mechanically-activated

Designed for selected offset and 70/30 bowls

Apollo 4A Series Pressure Vacuum Breaker Assembly | 3/4 in. & 1 in. Size:1" As the drainage pipes fillApollo 4A Series Pressure Vacuum Breaker Assembly Brand: Apollo (Conbraco) SKUs: 4A504A2F, 4A505A2F Product Overview The Apollo 4A Series pressure vacuum breaker assembly is designed to help protect a potable water supply from backsiphonage in applications where this type of backflow protection is approved. It is commonly installed on irrigation or other water lines that can be exposed to a loss of supply pressure, which may otherwise allow downstream