I'm using Toro 570 series sprinkler heads on my system, and have replaced some of the sprinkler heads in the past. I just replaced a 180 degree sprinkler valve on the system without issue. The issue I have with this individual sprinkler valve is weird because I have tried two separate 360 degree valves (both brand new from the Home Depot) and they both pop-up but there's barely a trickle of water coming out of the valve. I'm assuming that something may be clogging the line (but can't figure out ...