Arc Adjustment Adjustable heads are preset to approximately 180 degrees. The PGP-ADJ is adjustable from… | Sprinkler system diy, Sprinkler repair, Irrigation repair
How to Adjust a Hunter Rotor Head
Hunter PGM Sprinklers
Hunter Irrigation Adjustment Tool Key 05-1720 one key fits PGP and I-20 series heads
Hunter I-10 & I-20 Rotor Owner's Manual - Irrigation Direct