hi dave after therther investigation, tacking off a mettel plat this is just behind the plinth ther where three weirs going into a round disk about 4″ by 1″ther is a small rubber pipe attached to this, ther is a blue center in side that ther is what looks like a magnet with a spring in the centre this is were the wateris cumming from then layingon the bottom of the dishwasher and then throw two hols on to the flour. diplomat adp8242, any i dear. look forward to your reply .shaun