Mike Jones Posted yesterday at 12:08 Share Posted yesterday at 12:08 Could someone give me some advice please? Having an issue with the dishwasher flooding and not draining properly, but have now realised it’s not an issue with the dishwasher itself. Thinking it’s because of how low our sink trap is compared to the waste external pipe? and if so, what the best solution would be? 1 Link to comment Share on other sites More sharing options...
Conor Posted yesterday at 12:53 Share Posted yesterday at 12:53 (edited) Which pipe is doing what? Please don't tell me the waste out pipe for the lot is that Flexi thing going UP at the back of the image?! If it is, then the whole thing needs to be replumbed properly so there is adequate fall after the trap. Can you provide any more context? Was this done recently or been like it forever? Where is the main sewer in relation to the photo? How does the 40mm waste pipe connect to the main 110mm sewer? Edited yesterday at 12:55 by Conor Link to comment Share on other sites More sharing options...
Redbeard Posted yesterday at 13:22 Share Posted yesterday at 13:22 Agree with @Conor's concerns. If I understand that 'spaghetti' right then the 'resting' water level in the trap will be above at least the smaller of the flexi-wastes, if not both. No wonder the dishwasher isn't draining properly (again, if my 'reading' is correct). Link to comment Share on other sites More sharing options...
Mike Jones Posted yesterday at 13:38 Author Share Posted yesterday at 13:38 Yes unfortunately the flexi pipe is the main waste pipe out the back. it’s been like it for a few years since we had a butler sink put in, hence why the sink trap is so low in comparison to the external waste. Only properly looked at the set up since started having issues and noticed since we got a dishwasher and started using that. image attached shows where the external pipe goes to. So if I had to move the height of the external waste then that would all need to be changed aswell. what’s the best/ easiest way to solve it? Move the height of the external waste pipe? Link to comment Share on other sites More sharing options...
twice round the block Posted yesterday at 14:42 Share Posted yesterday at 14:42 Get the hole cutter out. Get the waste out of the wall 2 courses lower. Cut a new boss into the soil stack 4 courses lower. Link to comment Share on other sites More sharing options...
Redbeard Posted yesterday at 14:46 Share Posted yesterday at 14:46 3 minutes ago, twice round the block said: Get the hole cutter out. Get the waste out of the wall 2 courses lower. Cut a new boss into the soil stack 4 courses lower. Yep, looks pretty straightforward. Good luck! Link to comment Share on other sites More sharing options...
Mike Jones Posted 22 hours ago Author Share Posted 22 hours ago Thank you very much for your help Link to comment Share on other sites More sharing options...
Mr Punter Posted 21 hours ago Share Posted 21 hours ago 2 hours ago, twice round the block said: Get the hole cutter out. Get the waste out of the wall 2 courses lower. Cut a new boss into the soil stack 4 courses lower. +1 Any no more flexi please. Link to comment Share on other sites More sharing options...
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