Maintaining Your Outdoor Misting System

May. 24, 2011

The days are heating up fast so now is the time to check your misting system to make sure it will be ready when you need it.

First, you should replace the filtration on your mister system. If you have secondary filters, such as a polyphosphate filter for calcium in the water, replace it too. Tighten and examine the fittings to make sure they’re tight and secure.

Hook up the system, then test the pump (or water supply) to check that it’s working. Some water pumps require lubrication so inspect yours and oil it according to the pump’s instructions. Examine the electrical connectors to be sure they’re secure and inspect the wire’s insulation for cracks, repairing any that have worn out.

Now start the water and follow the length of the mister hoses, examining it it for leaking. If your misting system utilizes SS misting line, this shouldn’t be a problem. Simply check the joints and fittings for leaks. Tighten any fittings that may have come loose. If your system has plastic tubing, you’ll need to check the entire system for cracks and ruptures.

The next thing to do is to be certain the mist nozzles aren’t blocked. Mister nozzles that leak abundantly are most likely to have enlarged orifices and must be replaced. Clogged nozzles will have no water coming from them, or a little spray and perhaps some leaking.

Once you’ve turned off the pump, remove and replace the defective nozzles with new high-quality mist nozzles. Make sure the new ones have the same size orifice as the old ones. Unscrew the clogged nozzles and look for debris in the fixture and also in the base of the nozzle. If the passages are clear, then check the nozzle spray hole on the front of the nozzle. If you reside in a locale that has mineralized water, the mister nozzle could be blocked by calcium deposits. If there are mineral deposits on the face, gently scrape them off being careful not to damage the pinhole. It might be feasible to simply just clean the debris off the top of the nozzle. If it appears the orifice is internally clogged, it may be possible to clear the blockage by immersing the nozzles in lime removing solution overnight.

What most expert misting system vendors do is simply change out all the nozzles since it’s simpler and requires a lot less time than to attempt to clean out each mister nozzle, and the cost of mist nozzles is fairly reduced when you buy them in bulk.

When you purchase mister nozzles, be certain to use the correct thread size and spray size. Most mist nozzles aren’t stamped with this information, but with the best nozzles you can determine these details by the pattern of the knurls on the side of the nozzle and the o-ring color. For instance, Amfog mist nozzles have grooves or cross hatching on the side to indicate thread, and the o-rings are colored to determine the orifice size.

Once you’ve taken care of the maintenance on your mist system, it’s time to start enjoying a cooler summer!

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9 Responses to “Maintaining Your Outdoor Misting System”

  1. Dwayne says:

    Trisha,

    Maintenance is very important when owning a misting system, winterizing it is just as important. I have written a few articles about when to winterize as well as how to do it by gravity if your system allows, and one about using compressed air if your system cannot be done by gravity.

    I just uploaded a video to Youtube showing how to winterize as well. You can see the video here: http://www.youtube.com/watch?v=q_HLgzu0tFo&feature=plcp

    • Trisha says:

      Great Video Dwayne… and a great reminder. I still havent done mine, the actual misters are still out there (the ones i bought from YOU!) and the well is on. Time to get on that before it gets really cold!

    • Marty says:

      Your Utube video shows “Private” when I try to view it. Any way I can see it?

    • greg says:

      Hi, I ran across your message about winterizing a high pressure misting system. my parents bought one and im researching how to winterize it. I saw your video was private and i was hoping you might help me out. thanks if you can. and have a merry christmas and happy new year. greg

    • Randy says:

      Hi Dwayne,

      I was looking online to see how to go about winterizing my misting system and came across your youtube video. But unfortunately it’s private, so I’m unable to watch it. Are you able to make it accessible to me?

      Thanks,
      Randy Testut
      Dallas, TX

  2. Dwayne says:

    LOL, I left mine on a few days too long. I was out of town for a few days and we had below freezing temps. my son called to tell me we had no water in the house. I suspected the misting system froze and broke, then the pressure tank drained completely.

    I was right. A line froze and broke on the misting system. I winterized it and made that video as I did it.

    • Trisha says:

      That always freaks me out about leaving the water on, especially if its the house water. That would cost so much money if it breaks. Hoses, connectors and the 1/4″ line to the manifolds are always popping loose. I finally put the timer right at the house for the misters, and a poly main line from the well. Pretty safe now. I took your video as a reminder and blew out the line TONIGHT!

  3. Dwayne says:

    If the 1/4″ lines keep popping out check your water pressure. I have found that 50 PSI is pretty much as high as you want to go, 40 works just as well.

    Also, wrapping tape around the tubing then around the manifolds, back around the tubing and once again around the manifolds will help keep them from popping out. Kinda ugly but it works!

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