What did the plumber doing repairs at my house mean when he said he had to make a 'high loop' so the new dishwasher would work properly? - Quora
![Norma Vally Looping your dishwasher drain hose higher than the bottom of your kitchen sink can help keep water from accumulating and backing up in the bottom or your dishwasher. | Boulder Norma Vally Looping your dishwasher drain hose higher than the bottom of your kitchen sink can help keep water from accumulating and backing up in the bottom or your dishwasher. | Boulder](https://bouldercityreview.com/wp-content/uploads/2018/02/10035312_web1_bcr-home-matters-drain-feb08-18.jpg)
Norma Vally Looping your dishwasher drain hose higher than the bottom of your kitchen sink can help keep water from accumulating and backing up in the bottom or your dishwasher. | Boulder
![Is this dishwasher drain's high loop steep enough..I know the line jots upward a little towards the end, but I can't imagine this to cause backflow to appliance...does that seem correct/OK? : Is this dishwasher drain's high loop steep enough..I know the line jots upward a little towards the end, but I can't imagine this to cause backflow to appliance...does that seem correct/OK? :](https://i.redd.it/9iwcl7wxs21y.jpg)