Fimco Manufacturing Mini 8-Outlet Irrigation Indexing Valve, 1-Inch, Black Valve is recommended for use in an irrigation system driven by city water Indexing valve can run from 7 to 8 zones based on the chosen cam configuration Manual or automatic operation with 7 and 8 zone cams and zone indicator included Requires at least 10 gpm for normal operation or contract manufacturer for a low flow assembly for 6gpm -10gpm usage 7 and 8 zone cams and zone indicator included