Sprinkler Heads Popping up Slowly
We recently changed heads and added some sprinklers to a zone. There aren't too many for the zone. When we turn it on, the sprinklers don't pop up as quickly as other zones and they spurt and sputter more. What could be the reason for this. Once they get going, all is fine. There are 8 heads and all are the regular spray nozzles, most are 180s. Two are 360s set to between 180 and 360. Water pressure is more than adequate.