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Tuesday, August 23rd 2022, 7:55am

MP3500 performance issue

I use PRS40 valve bodies and MP3500 heads for my irrigation system. I have 3 zones with 4 heads each. All 12 heads perform great except for one. This MP3500 is the last head of the zone and either rotates very slowly or not at all. I've checked and cleaned for debris, tried a different nozzle etc. and it's still hit or miss. The static pressure of my system is ~80 psi. What else should I check? Thanks!

EEto

Advanced Member

Posts: 68

Location: east coast

2

Tuesday, August 23rd 2022, 8:50pm

Assuming you have the necessary pressure at the head, you may want to take the guts out of the head and turn that zone on. You should get a pretty good flow of water shooting out. I'm guessing you may have a small stone or something else blocking a fitting and not allowing
enough pressure to pop it up.

3

Wednesday, August 24th 2022, 3:30pm

Thanks for the reply. The nozzle pops up and sprays. It just doesn't rotate consistently. I'll remove the nozzle and see how the flow looks.

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