![]() The wiper seal features an over-molded structural support that ensures long-term, smooth retraction and prevents water from blowing by the riser stem. riser stem heights and is ideal for a broad range of landscape types. After flushing the plug is removed and the nozzle is installed. The professional series spray head is the premium offering in Orbit’s lineup. ![]() The flush plug redirects water when flushing the pipes so that the water doesn't create a geyser. A soft rubber cap is also an option.Ī flush plug is a cap that comes installed in place of the nozzle. It seems ridiculous to have to trim the grass away from the heads on a brand new system!Īn optional metal cap is available for the 5400 series pop-up sprays. These sprinklers are designed to be almost invisible once the grass has grown in. I consider any sprinkler with a pop-up height less than 3 inches unacceptable in most circumstances due to the increased maintenance necessary to trim grass away from the head. Important: Do not cut too deep or you could accidentally cut the tubing running to the sprinkler head. Try to only cut the layer of grass and not the dirt so you can replace it later. Rotate the screw clockwise t to decrease radius, or counterclockwise to. To adjust the radius, insert a hex tool into the screw on the top of the nozzle. Turn the head clockwise to increase the arc covering the watering area. Use a trowel or serrated knife to cut a circle around the sprinkler about eight inches around and two inches deep. If you do not have a key, you can use a pair of pliers to carefully adjust the arc on multi-stream sprinkler heads. Even with a very short mowed Bermuda lawn I strongly suggest that you use at least a 4 inch pop-up height. Step One: Getting to the Sprinkler Head Assembly. ![]() The 2 inch pop-up model is likely not high enough for all but the shortest of lawns. It really sucks to discover you just ruined a brand new nozzle! If you don't flush the system with the nozzle removed you will likely get trash stuck in the nozzle and it will be ruined. After you have flushed out the heads reinstall the nozzles. Be sure to remove the nozzle before installing the sprinkler head. The retail model comes with a 12' radius adjustable arc nozzle pre-installed, other radius nozzles must be purchased separately. This sprinkler is available with pop-up heights of 2, 4, 6 and 12 inches. But I can't find any significant difference in quality between this sprinkler and any of the other sprinklers more often preferred by contractors. A word of warning, a lot of industry pros look down their noses at Orbit products because the products are sold retail to the public and generally are not carried by the sprinkler wholesale stores that contractors tend to buy from. All in all, a good sprinkler for the price. It has a good ratchet mechanism, although I would prefer that it be just a bit harder to turn in order to prevent slipping out of alignment. This sprinkler has a good quality wiper seal. It is marketed in both a professional and retail model. This is Orbit's top of the line spray-type sprinkler. Irrigation Product Listings & Reviews Orbit 5400 Spray Sprinkler Heads
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