Champion Vacuum Breaker Less Union Brass 1-1/2 in.

Prevent potable water backflow caused by backpressure or back-siphonage with the Arrowhead Brass Atmospheric Vacuum Breaker 1-1/2 in. Threaded Brass. Built of high-grade brass, this valve body is fit for durable use. It works effectively at a pressure of up to 150 PSI, thus ensuring reliable use without getting damaged. The vacuum breaker has a 5-140 GPM flow rate to allow high volumes of water to flow through it.