JA 80 JA 80 could be used for different applications. Its main application is to boost water where it is needed to different places in buildings or houses. It is also popularly used to fill up water tanks. DescriptionPerformance CurveDownloadsDescription Performance Curve Downloads Literature Leaflet JA 80 50Hz PDF | 198 KB This is custom heading element Booster VFD Series HCR Series KT Series Submersible Pumps 4″