When you put the ingredients in the pan and there would be a little puddle of water underneath because the seal on the bottom was leaking.So you need a sealing set to restores the bread machine to normal operate If you do not see a visible red seal inside the pan, then please do not attempt to install this seal set If you have a bread making machine that had a leaking pan. Rather than throw it out, replacement seal set online and make the repair Pan Seal set Includes: Heavy duty seal, stainless flat washer, Stainless steel snapping rings & stainless Steel E-clip If you're look for part for your machine ,make sure you verify your model works for the parts you order