![Contractor installed this. I know it's wrong but need examples to show him correct way. : r/askaplumber Contractor installed this. I know it's wrong but need examples to show him correct way. : r/askaplumber](https://i.redd.it/fqxvnkp2yapb1.jpg)
Contractor installed this. I know it's wrong but need examples to show him correct way. : r/askaplumber
Plumbing A Kitchen Sink Through Cabinet Floor - Not an Island | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
![plumbing - Is this horizontal drain pipe under kitchen sink a problem? - Home Improvement Stack Exchange plumbing - Is this horizontal drain pipe under kitchen sink a problem? - Home Improvement Stack Exchange](https://i.stack.imgur.com/63TTB.jpg)
plumbing - Is this horizontal drain pipe under kitchen sink a problem? - Home Improvement Stack Exchange
![plumbing - Alternative method for connecting sink drain with waste pipe directly under? - Home Improvement Stack Exchange plumbing - Alternative method for connecting sink drain with waste pipe directly under? - Home Improvement Stack Exchange](https://i.stack.imgur.com/DCJbA.jpg)
plumbing - Alternative method for connecting sink drain with waste pipe directly under? - Home Improvement Stack Exchange
Matthew's Plumbing Solutions - Felix removed some old and back-graded sewer pipe under a kitchen sink and installed this drain setup. His version is graded properly and the fittings are flowing in
![Plan on improving this current plumbing mess under the kitchen sink in our new house. There's no garbage disposal, plumbing to washer connects on the right side of the sink. Should I Plan on improving this current plumbing mess under the kitchen sink in our new house. There's no garbage disposal, plumbing to washer connects on the right side of the sink. Should I](https://preview.redd.it/h3ndeq2amoa91.jpg?width=640&crop=smart&auto=webp&s=8a128d55b38c088c2b5dcf7f825bbcd5575a4cdc)
Plan on improving this current plumbing mess under the kitchen sink in our new house. There's no garbage disposal, plumbing to washer connects on the right side of the sink. Should I
![Kitchen Sink Drain Plumbing Diagram New Double With Dishwasher | Sink plumbing, Under sink plumbing, Bathroom sink plumbing Kitchen Sink Drain Plumbing Diagram New Double With Dishwasher | Sink plumbing, Under sink plumbing, Bathroom sink plumbing](https://i.pinimg.com/736x/e5/85/7c/e5857c16cc1357670815938d8c444d85.jpg)
Kitchen Sink Drain Plumbing Diagram New Double With Dishwasher | Sink plumbing, Under sink plumbing, Bathroom sink plumbing
![Click this image to show the full-size version. | Sink plumbing, Diy plumbing, Kitchen sink plumbing Click this image to show the full-size version. | Sink plumbing, Diy plumbing, Kitchen sink plumbing](https://i.pinimg.com/736x/06/2c/81/062c81bebc648f8dae69aba18a7296c5.jpg)