Washing machine Home › Forums › Public Forums › Drainage & Sewerage › Washing machine This topic has 1 reply, 2 voices, and was last updated 21 years, 3 months ago by Retired plbg1. Viewing 1 reply thread Author Posts 25 Aug 2003 at 5:51 pm #279307 MasterPlumbersKeymaster I have a washing machine in the basement, the main drain line is 7′ overhead running horizontal. How do I connect to it? 26 Aug 2003 at 10:33 am #300501 Retired plbg1Participant As far as I know you will need a sump pump pit in floor and put trap in main line and drain it in to it. They might have something new out where you dont have to break up floor. I think the site is Zeoller pump. Art retired plbg 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