I am having a problem with one on of are installayion we have 9 valves system. The house is on city water, the PSI out of the spkicket is 62. Zone 1 has 4 turf Spary heads Zone 2 has 4 Bed misters Zone 3 has 3 Bed misters These zone are fine.......... Zones 4-9 all have 3 bed misters per zone seem to have very low pressure. I took the valves out and flush those zones out. And they still don't work. Anyone have any Ideas?