For hydro-jetting, separate the line, install a backflow preventer, start with lower PSI, then increase as needed

https://wakelet.com/wake/w5eqNL1zRk8Bul3smgbZ4

For hydro-jetting, isolate the line, install a backflow preventer, begin with lower PSI, then increase as needed, using proper nozzles to search biofilm, roots, and scale without harming pipelines.