Model 720A Pressure Vacuum Breaker - 1"
The valve isolates non-potable or irrigation lines from the potable water systems. It has the ability to withstand supply pressure for long periods and to prevent backflow of hazardous and non-hazardous water into the potable water system in back siphonage conditions only. Suitable for use with Fertilizer injectors.
Must be mounted 12" or higher than highest sprinkler head.