How to Raise, Lower, and/or Straighten Sprinkler Heads
Over time, yards & landscapes change, which results in sprinkler heads ending up too low, too low, or just crocked. These are tasks than can be preformed by most people in good shape and don't mind doing a little digging and yard work.
Depending on how your irrigation system was designed and built, your heads could be attached directly to the PVC pipe, or attached via a swing assembly or with flexible pipe, marlexes, and spiral barb fittings. If your system is older and build with the heads directly into the PVC pipe, I highly recommend adding a swing assembly to give you more flexibility on head placement and it also helps prevent PVC pipe breaks from simple bumps with mowers or tripping over sprinkler heads.
A swing assembly (called swing joints also) is made up of 1' of flexible pipe, with a 1/2" male threaded spiral barb on one end which attaches to the pipe, and either a 1/2" or 3/4" spiral barb and marlex on the other end where the sprinkler head attaches to.
If you heads are above ground and are not in a lawn area where they need to be underground, then you could easily raise or lower them by cutting and adding or reducing with the use of appropriate size, regular slip by slip couplings and pipe if adding. Just use the same size couplings and pipe whether it is 1/2", 3/4", or 1".
Heads installed with swing assembly's will need to be straightened every few years, depending on soil condition or landscape use. Heads directly into the PVC may stay straighter longer (if plumbed right), but they tend to get brittle over time, are an eyesore, and become a nascence. No matter what the landscape design, I highly recommend the use of underground, retractable heads. Just remember that your system will require routine maintenance just like your automobile.
Also, if you are making changes to your landscape you may find the need to raise, lower, or even move sprinkler heads. This can all be done with PVC pipe, PVC fittings, and PE (flexible pipe), spiral barb fittings, swing joints or swing assemblies. Thread the spiral barb fittings into the female threaded side or end of the pipe. The marlex end attaches the sprinkler head from the spiral barb on the other end and the sprinkler heads.
When moving heads, don't run funny pipe further than 15 feet or so. If you run it too far, you will loose pressure and the sprinkler head won't pop up. Well, good luck and have fun with your irrigation!
Scott
http://www.autolawnsprinklers.com
Depending on how your irrigation system was designed and built, your heads could be attached directly to the PVC pipe, or attached via a swing assembly or with flexible pipe, marlexes, and spiral barb fittings. If your system is older and build with the heads directly into the PVC pipe, I highly recommend adding a swing assembly to give you more flexibility on head placement and it also helps prevent PVC pipe breaks from simple bumps with mowers or tripping over sprinkler heads.
A swing assembly (called swing joints also) is made up of 1' of flexible pipe, with a 1/2" male threaded spiral barb on one end which attaches to the pipe, and either a 1/2" or 3/4" spiral barb and marlex on the other end where the sprinkler head attaches to.
If you heads are above ground and are not in a lawn area where they need to be underground, then you could easily raise or lower them by cutting and adding or reducing with the use of appropriate size, regular slip by slip couplings and pipe if adding. Just use the same size couplings and pipe whether it is 1/2", 3/4", or 1".
Heads installed with swing assembly's will need to be straightened every few years, depending on soil condition or landscape use. Heads directly into the PVC may stay straighter longer (if plumbed right), but they tend to get brittle over time, are an eyesore, and become a nascence. No matter what the landscape design, I highly recommend the use of underground, retractable heads. Just remember that your system will require routine maintenance just like your automobile.
Also, if you are making changes to your landscape you may find the need to raise, lower, or even move sprinkler heads. This can all be done with PVC pipe, PVC fittings, and PE (flexible pipe), spiral barb fittings, swing joints or swing assemblies. Thread the spiral barb fittings into the female threaded side or end of the pipe. The marlex end attaches the sprinkler head from the spiral barb on the other end and the sprinkler heads.
When moving heads, don't run funny pipe further than 15 feet or so. If you run it too far, you will loose pressure and the sprinkler head won't pop up. Well, good luck and have fun with your irrigation!
Scott
http://www.autolawnsprinklers.com
posted by Irrigationman at
8:43 PM
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