The 1" Zurn Zurn 710 Pressure Vacuum Breaker Assembly protects against backsiphonage of contaminated water into the potable water supply where a potential high health hazard exists. With fewer parts and a lightweight, compact body, the Zurn Zurn 710 Pressure Vacuum Breaker Assembly is a low-maintenance, cost-effective solution for high-hazard irrigation applications – commercial or residential. It also features a maximum pressure of 150 psi and a temperature range of 33°F to 140°F. The 710 is more compact than any competitor valve in the marketplace. Bring effortless performance to any residential and commercial irrigation systems.