Plumber, plumbing, toilet repair, leak repair, toilet replacement, toilet installation. White Toilet Comfort Height. Was dispatched to replace the old kohler one piece toilet with a new comfort height toilet. Removed old toilet, put new toilet down, checked for leaks and proper operation. OK. Toilet Repair: Supply Line . When replacing the toilet the supply line it started leakjing when I put it back on. Replaced the supply line, checked for leaks. OK.