We've just been installing an IKEA kitchen. The sink came with a trap with 2 appliance waste connections, so I connected the dishwasher and washing machine to these. It looks like fluff from the washing machine is ending up on the dishes
- maybe some waste is flowing up the dishwasher waste when it empties. (I haven't noticed food on the clothes yet!)
This seems to the expected way to connect, so I didn't think there should be a problem. Previously they were connected to the waste pipe with fittings that cut into the pipe and incorporated non-return valves.
Screwfix and local hardware shop don't seem to have non-return valves to fit in line.
Anyone else encountered this problem?
cheers,
rob.