Posted 8/6/2022 14:04 (#9783356 - in reply to #9783306) Subject: RE: Valley pivot corner system. Sprinklers staying on.
Central Nebraska
We call them Cross T Filters and they are in a 3/4" pipe cross generally on the second sprinkler outlet of the corner system. Remove the black cap with a pliers and replace or clean the filter. Take note of the direction it goes into the cross.