![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/6SEPw.png)
plumbing - Do dishwashers with a built in "high loop" require a second high loop under the sink? - Home Improvement Stack Exchange
![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)
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? :
![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)