Maintaining Your Outdoor Misting System
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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