From time to time system and/or component maintenance will be necessary to preserve the longevity of your system and keep it operating optimally. If you utilize sprinkler rotors, leaks are often due to the riser seal being torn or worn down, or there is debris between the seal and the riser. 

If you need to replace a riser seal, here is a link to our Hunter I-20 Riser Seal and Hunter PGP Riser Seals. If you need a riser seal for a model or manufacturer that is not listed above, please feel free to contact our helpdesk, and we will be happy to assist you in finding what you need.  

Here is a helpful instructional video from Hunter Industries on how to replace riser seals: 

Please note, although the general design of risers are similar, they are not identical across all manufacturers. In many cases, there are small variances in design, depending on the manufacturer of the component. We always recommend reaching out to the manufacturer for proper installation, replacement and troubleshooting information and assistance.