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| Thank you Mark, at this time I have a nav 1000, but would consider a nav 1100. My pump is 461, with a joystick. Most late model nav 1100 have the 2500 controller, my sparyer has no controller. I have heard just enough info that makes me a little concerned with the 3500 model. I am using the Envzo for guidance and just considering an upgrade and wider boom. The 5500 does not seem to be much of an upgrade unless there is something I am not aware of in that model. Also I was not aware that Raven made a controller that would work on the Hardi diaphram pumps. That is a possiblity that could work also. Good information Mark. | |
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