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Irrigation/Expert Profile

Robert Diersing

On Vacation
returns 12/09/2017

I am able to answer any questions related to lawn irrigation systems and backflow devices. But pumps are not my speciality since they are not common in my area. Most of my product experience is in Hunter, Rainbird and Irritrol components.

Experience in the area

I have been in the Irrigation Industry since 1998 with experience in everything from residential to athletic fields, commercial, industrial to complete Hospital campuses


Irrigation Association


I have been quoted in trade magazine articles.


Kent State University 12 CEU's per a year in Industry related classes

Awards and Honors

Irrigation Association Certifications: Certified Irrigation Contractor State of Florida Licensed Irrigation Contractor State of Florida Certified Backflow Tester State of Ohio Certified Backflow Tester EPA WaterSense Partner

Past/Present Clients

Hospitals, School Districts, National Franchises, Government Agencies

What do you like about this subject?

Understanding irrigation systems you will need to have a basic knowledge of: Electrical, Hydraulics and plumbing codes. The lack of understanding the complete availability of irrigation products leads to deficient systems.

What do you still hope to achieve/learn in this field?

I hope to be involved with educating contractors on available products and their applications along with promoting conservation.

Something interesting about this subject that others may not know:

How much water the typical system wastes and how by making a few changes we could reduce how much water we use for irrigation by upto 50%

Something controversial or provocative about this subject

Should a City restrict or prevent citizens from using their irrigation system to protect their home value, when the City promotes wasteful use and inefficiency through building codes and practice flood irrigation on City projects?

Average Ratings

Recent Reviews from Users

Read More Comments

    K = Knowledgeability    C = Clarity of Response    P = Politeness
tim11/05/14101010Bob, Thanks a lot for the help .....
Christy10/18/14101010Thanks for the advice. I ended up .....
Kevin03/26/14101010Many thanks, Bob. I'll clear the program .....

Recent Answers from Robert Diersing

2015-01-07 Hunter sprinkler system.:

I do not believe there is a fuse on that hybrid model. You will need to check the terminal outputs so you can eliminate any issue with the common wire or master/pump valve. If your irrigation water source

2015-01-07 Hunter sprinkler system.:

Does it operate as it should with a program start time?

2014-11-30 Irritrol RD 600:

The battery can not run the system so it will have no affect on that aspect.  Is the timer plugged in? Do you have a weather sensor? Do you have a pump or master valve or both? Has there been ANY thing

2014-10-31 Rain Bird Controller Issues:

Hello,    I don't believe you will be able to just get a replacement switch from Rain Bird, but you may find a local electronic repair company that may help you since it may just be a simple sodder repair

2014-10-29 springller controller hardie RD600:

Did you test the voltage output on the stations?    Is there a weather sensor?    Is there a pump or master valve or both?    Was there any work done in the yard lately or in the basement if the wire runs


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