I replaced my waste chute and used plumber's putty as recommended on the packaging and even at our local hardware store. We constantly had problems with leaks, had to disassemble 2-3 times a year and constantly change the putty. I'm shocked that you can't just walk into a store and buy these gaskets and that NOBODY seems to know about them (again, no matter who I ask, the answer is always "plumber's putty"). Well, about a year and a half later, having disassembled the entire system, I was…