Install Manual The model #4004 Hydro Indexing Valve has 1 inlet and 4 outlets which are all 1 1/2" slip fit. This valve is recommended for use in a pump driven irrigation system and can run from 2 to 4 zones based on the chosen cam configuration (selected above). Other available ...Install Manual The model #4004 Hydro Indexing Valve has 1 inlet and 4 outlets which are all 1 1/2" slip fit.
This valve is recommended for use in a pump driven irrigation system and can run from 2 to 4 zones based on the chosen cam configuration (selected above). Other available options listed above are: - The standard flow stem and disc assembly requires a minimum of 10GPM, the low-flow stem and disc assembly requires a minimum of only 6GPM.