![Washing machine (right) and dishwasher (left) wastes connect to kitchen sink trap. It often smells when the washing machine is running, any ideas as to how I can stop that from happening? : Washing machine (right) and dishwasher (left) wastes connect to kitchen sink trap. It often smells when the washing machine is running, any ideas as to how I can stop that from happening? :](https://preview.redd.it/6djh8ia88ye71.jpg?auto=webp&s=89ad67ea32b05e6e58628ecf83509992ad6650dd)
Washing machine (right) and dishwasher (left) wastes connect to kitchen sink trap. It often smells when the washing machine is running, any ideas as to how I can stop that from happening? :
![How to Install or Replace a Swivel S Trap Waste Fitting for a Bathroom Basin or Kitchen Sink - YouTube How to Install or Replace a Swivel S Trap Waste Fitting for a Bathroom Basin or Kitchen Sink - YouTube](https://i.ytimg.com/vi/g5lYCwZmX24/maxresdefault.jpg)
How to Install or Replace a Swivel S Trap Waste Fitting for a Bathroom Basin or Kitchen Sink - YouTube
![1½" Kitchen Sink Trap with Twin Nozzles for Washing Machine & Dishwasher - WM11 - Plumbing & Heating from Build and Plumb UK 1½" Kitchen Sink Trap with Twin Nozzles for Washing Machine & Dishwasher - WM11 - Plumbing & Heating from Build and Plumb UK](https://www.buildandplumb.co.uk/images/1-kitchen-sink-trap-with-twin-nozzles-for-washing-machine-dishwasher-wm11-p582-15234_image.jpg)