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
![plumbing - Do dishwashers with a built in "high loop" require a second high loop under the sink? - Home Improvement Stack Exchange plumbing - Do dishwashers with a built in "high loop" require a second high loop under the sink? - Home Improvement Stack Exchange](https://i.stack.imgur.com/UrkFI.png)
plumbing - Do dishwashers with a built in "high loop" require a second high loop under the sink? - Home Improvement Stack Exchange
![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)