As I arrive, the homeowner greet me at the door I asked her how things have been and she said things have been going well. The only issue was it seems like the safety is filled with water again we just had a maintenance recently after going through the line and inspecting it it seems like it was flushed out really well because the drain primary is clean as it can be and the inside of the natural drain when I cut it doesn’t look bad. This tells me that the stack that she is connected to because she’s on the first floor probably has a lot of gunk inside of it, which cannot be sucked out unless we’re regularly maintaining those apartments as well to prevent her from backing up again, I have got approval for a chemical drain solution to constantly clean out the system as it flushes naturally with water. I also as a courtesy flushed out the drain with my vacuum hose at no charge due to the recallI installed the new thing and make sure it was draining properly. I put zip ties underneath the