The dishwasher drain must be connected before the P-trap, not after it, which is what was done here. With this improper installation, sewer gases have the potential to come back in to the dishwasher.
Add Yahoo as a preferred source to see more of our stories on Google. Credit: Joe Lingeman/Kitchn Credit: Joe Lingeman/Kitchn Dealing with dishwasher problems is stressful. Along with accumulating ...