Another cause for a leaking backflow preventer is incorrect placement in the head assembly. Make sure the O-ring is seated all the way down in the part. O-rings deteriorate over time and need to be replaced periodically. To troubleshoot this part, the first thing to check is the O-ring. Checking your threads on all of your devices is also recommended, as damaged threads could be the possible cause of leaking.īackflow Preventer: The backflow preventer is designed to release water when the watering cycle stops or the system is turned off, so you should see dripping from it at system shutdown it should not be dripping constantly. Hose thread fittings are not to be used with Teflon Tape or Pipe Dope, as this could cause leaking between the connection. Pipe thread fittings do not use washers and are not compatible with hose thread fittings. We recommend ensuring each part has a washer installed before installing, that is if you are using hose thread fittings. This may help to determine exactly which item is causing the issue. If the leak continues, replace the backflow preventer and remove the filter, then the pressure regulator, and so on, until the leak stops. ![]() To start, try removing the backflow preventer and run the system. ![]() To determine which item is leaking, each head assembly component could be removed one at a time to find the cause of the leak. Modified on: Wed, 8 Apr, 2020 at 11:35 AM Solution home Irrigation Solutions Troubleshooting Troubleshooting - Leaking in My System
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