Depending on the brand of impact sprinkler you currently have installed, the PGP-ATR may be the solution for you.
|Replacement Guide: PGP-ATR Rotary Sprinkler|
|To Replace||Use Hunter Nozzle|
|Mini-Paw 15103||07 (Black)|
|Maxi-Paw 2045||06 (Red)|
Another option is to simply dig up your old impact sprinklers and replace them with entirely new rotors. Newer rotors operate much more efficiently than older style impacts, their effectiveness will be realized shortly after installation.