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Monday, July 9th 2018, 10:48pm

Author: andrew

Replacing top of rain bird valve

it worked. Thx for the help.

Sunday, July 8th 2018, 5:56pm

Author: andrew

entire zone with new heads that won't pop up without help

Yep I agree with all that. Got the valve today. Will try rebuilding. Appreciate your help.

Sunday, July 8th 2018, 12:00pm

Author: andrew

Replacing top of rain bird valve

I have a loudly buzzing solenoid on a Rain Bird valve that I need to replace. The valve appears to be EITHER a CP100 or a DV100. The pictures on-line look the same. From what I can discern on line the main difference between the two is that the DV is better quality. If I just get a DV100 and take the top off, will it work will my valve even if mine is a CP100? If not, how can I tell which one I have? Also, is the top half of the valve the same regardless of whether the valve is 3/4" or 1"? It se...

Sunday, July 8th 2018, 11:51am

Author: andrew

entire zone with new heads that won't pop up without help

I seem to have a PGV that does not have a bleeder screw(?) [img]https://drive.google.com/open?id=10QhKV9HduVRTgjsPhKIlHUI4N2wJhWrq[/img] [img]https://drive.google.com/open?id=1j4FNuYuoDpcGiN_J1G7Du20TGLHIWwdP[/img]

Saturday, July 7th 2018, 9:48pm

Author: andrew

entire zone with new heads that won't pop up without help

It’s a hunter PGV. No flow control. It’s about 20 years old. I didn’t realize it mattered which way I activated it manually. I had to dig the dirt from around the valve so I just used the solenoid because it was easier. I will try the bleeder approachh tomorrow. Can you tell me what it means if the bleeder does or does not change the behavior. Like if the bleeder delivers full pressure does that mean the valve is or isn’t ok?

Saturday, July 7th 2018, 6:32pm

Author: andrew

entire zone with new heads that won't pop up without help

I replaced all the nozzles with 1.5 GPM. No improvement. I ran the zone by twisting the solenoid, and the pressure is still low. Does that tell me I should replace the guts of the valve?

Friday, July 6th 2018, 12:36am

Author: andrew

entire zone with new heads that won't pop up without help

I am not sure about the valve. I'm going to try checking it tomorrow. Haven't messed with valves before so I am not 100% sure how to use the bleeder screw but I will try to figure it out, just to be sure. Thanks for the reply. I am more and more thinking I just need to swap out the nozzles. Just typing out the details of my situation here helped me realize that!

Thursday, July 5th 2018, 11:04pm

Author: andrew

entire zone with new heads that won't pop up without help

I have an 8 zone system. 7 zones are fine. One zone seemed to have low pressure. On this zone I have 5 Hunter PGP rotors plus two fixed pop-up nozzle sprayers. (Yes I know they are not supposed to be mixed but that's how the guy set it up 20 yrs ago, and it worked fine for a long time) A bunch of the heads were leaking, so I replaced them all with new ones, same type, but replacing red #4 nozzles with blue 2.0 gpm nozzles. I tested the zone as I replaced each head. With each of the first three r...