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Monday, May 29th 2017, 3:04pm

Author: tpawlak

Help needed on replacing Hunter PGP Ultra Rotors

Appreciate the help!!!! I like the idea of replacing the insides. I just tried a couple of them and one of the tops unscrewed but the other tops are on very tight and the body started to unscrew so I stopped. Any advice on how to loosen the top so I don't have to take the body out as if I replace the units without digging won't I have to worry about dirt getting inside the pipe?

Monday, May 29th 2017, 10:14am

Author: tpawlak

Help needed on replacing Hunter PGP Ultra Rotors

I need to replace several of the Hunter PGP Ultra Rotors on my sprinkler system that is approximately 7 years old. I went to the Sprinkler Warehouse and I am confused by about the check valve option to so could use I some help. The Rotors I am replacing have Black Caps with "Hunter PGP Ultra" on them but I do not know if they have a check valve installed. My yard is pretty flat but I do not know how to tell the difference. Is it OK to mix PGP Ultras with PGP Ultras w/ check valve and if so which...