robwash Profile Topics Started Replies Created Engagements Favorites Search replies: Forum Replies Created Viewing 106 post (of 106 total) ← 1 2 3 … 6 7 8 Author Posts April 7, 2007 at 12:20 pm in reply to: Whirlpool ADP4403 #209723 robwashParticipant Re: Whirlpool ADP4403 you need a new W.I. membrane switch, which is the grid switch in the sump. make sure the connections are dry as well. Author Posts Viewing 106 post (of 106 total) ← 1 2 3 … 6 7 8