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Saturday, July 9th 2016, 8:34pm

Author: pmyr1200c

2 out of 3 Hunter I-20 rotaries in zone don't pop up

Thanks for the advice Wet Boots! I have three heads in the zone which descend in elevation to the street. How would I flush a section at a time, and can I do this without cutting the fittings (I'm a newbie)? Do you think the rotors should be replaced? I have a DCV backflow preventer on the sprinkler line.

Saturday, July 9th 2016, 3:11pm

Author: pmyr1200c

Update: 2 out of 3 Hunter I-20 rotaries in zone don't pop up

During the installation of a cesspool last fall some of the PE tubing in this zone was broken and then repaired. When I reactivated the system last month, I had a problem with 2 rotaries not popping up and 1 not retracting. When I dug them up I found that they were loaded with pebbles which must have gotten into the tubing when it was being repaired. I took them apart cleaned them out and replaced them. Now they all pop up and retract, but 2 are leaking heavily from under the body cap and the th...

Sunday, June 26th 2016, 11:45am

Author: pmyr1200c

2 out of 3 Hunter I-20 rotaries in zone don't pop up

These two malfunctioning rotaries just create puddles. Could this be a pressure issue or a problem with the rotaries? How do I begin to troubleshoot?

Sunday, June 26th 2016, 11:15am

Author: pmyr1200c

Compatibility of Hunter PGV and Hunter SRV valves

Thanks! I swapped out the parts and the valve is now working.

Monday, June 20th 2016, 9:28am

Author: pmyr1200c

Compatibility of Hunter PGV and Hunter SRV valves

Can I replace the bonnet and diaphragm assembly of a SRV valve with a PGV bonnet and diaphragm, leaving the valve seat of the SRV in place?

Sunday, June 19th 2016, 6:41pm

Author: pmyr1200c

Hunter SRV valves won't turn off

I've just reactivated my sprinkler system after 5 years of dormancy, and I'm having some issues with my zones not turning off. I have a four zone system with Hunter SRV valves and a newly installed Hunter X-Core controller. When I initially started up the system, I "manually" turned on one zone at a time from the controller, but once each zone came on, it would not shut down. The only way that I was able to shut down the system was by closing the water supply valve. In troubleshooting the proble...