The 2" Pressure Vacuum Breaker Assembly protects against backsiphonage in high health hazard, non-potable residential and commercial irrigation applications. The 720A assembly includes an approved check valve, vacuum relief, two test cocks, and inlet and outlet full port resilient seated shut-off valves. This pressure vacuum breaker features a maximum pressure of 150 psi and a temperature range of 33°F to 110°F. The PVB’s corrosion-resistant internal parts and all bronze bonnet and body construction provides added strength and protection against the elements and light freezes. The test cocks located on the center line of valve allow for installation versatility. Upgrade to the Wilkins 720A Pressure Vacuum Breaker today and experience the reliability it brings to your irrigation system.