1. Snaked kitchen sink drain line with k 50 sewer machine running 30 feet of cable two times clearing the blockage at approximately 15 to 20 feet pulling back a lot of coffee grounds ...... 2. After clearing the blockage tested the system by running water through kitchen sink and flushing for approximately 30 minutes everything is working good at this time however there is no warranty due to misuse by putting coffee grounds down the garbage disposal ...... 3. Psi n,a