Roto-Rooter is taking part in a growing trend - product placement in television shows. New episodes of “The Simple Life,” starring Paris Hilton and Nicole Richie, premiered June 4 on E! Entertainment Channel. Thurston Limar, a real life technician from Roto-Rooter’s Long Beach, Calif., franchise, has a recurring role in four episodes. He is dispatched to help Hilton out of a few plumbing jams.