Garbage disposal installation Home › Forums › Public Forums › General Plumbing › Garbage disposal installation This topic has 1 reply, 2 voices, and was last updated 24 years, 1 month ago by bungie. Viewing 1 reply thread Author Posts 29 Nov 2000 at 12:06 am #274005 Anonymous Are there any piping requirements/guidelines to ensure a successful installation/usage of a garbage disposal? In other words, do the pipes have to be copper, a certain size, etc.? 29 Nov 2000 at 10:08 am #288979 bungieParticipant Follow the instructions in the box Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In