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

https://wiki-canyon.win/index.php/Reputable_Septic_System_Emptying_and_Setup:_Smart,_Cost-Saving_Techniques

For hydro-jetting, separate the line, install a backflow preventer, begin with lower PSI, then increase as required, utilizing suitable nozzles to scour biofilm, roots, and scale without harming pipes.