Sprinkler heads not popping up all the way? Unfortunately, this is something that can go unnoticed as the systems run at night. It’s good to do periodic walkthroughs and something we see all the time, the spray nozzles in the lawn do not pop up all the way. This is common in older or cheaper sprinkler heads were the spring weakens over time. This can cause many problems including “hot spots” in your lawn. If you are experiencing this issue, you may have to replace the whole head or sometimes just the spring. If you have any questions, please let us know! We hope this helps, and check out our knowledge base for more tips: matthewslandscape.com/search