Have to go before the sink U bend, or can they go after the U bend if they have there own U bend.???
Do wahing machine/dish washer outlets..
- Thread starter leem1
- Start date
Need to go after a trap (U bend) unless you're using use a self cutting waste outlet directly into the waste pipe. Otherwise, either connect to sink trap using spigot provided, or fit a standpipe.
Cheers for the reply bud...Just wat I needed to know.. 
Any appliance /sink etc must have a trap even a self cutting waste must have a trap in the waste pipe run.
Many install self cutting wastes after the trap, this is wrong.
Many install self cutting wastes after the trap, this is wrong.
Am I wright in thinking then they can go after the trap under the sink if they have there own u bend/Trap..??
Then you have 2 traps on 1 waste run.
Yes that was the thought....Is that ok to have 2 traps...??
It can cause problems with the sink draining.
Had them before where it affects the draining of the sink making it slow.
Won't the hose reach the sink waste ?
Had them before where it affects the draining of the sink making it slow.
Won't the hose reach the sink waste ?
Both hoses reach the sink ok....Going to change all the pipework as we have a really bad smell from the sink..I was thinking it wes because the drain hoses for the DW and Washer were to high and not draining properly??
Are the appliances next to the sink ?
The wastes from appliances need to go to a height of around 600mm then downwards to waste.
Have you checked the overflow pipe of the sink ?
Have you a pic of the waste under sink ?
The wastes from appliances need to go to a height of around 600mm then downwards to waste.
Have you checked the overflow pipe of the sink ?
Have you a pic of the waste under sink ?
No soory bud, I havent.. 
Check the sink overflow for crud also the washing machine hoses etc.
Is the smell always there ?
Is the smell always there ?
No bud,
Only when water is running down the sink....
Only when water is running down the sink....
Have you checked/cleaned the trap/waste pipe ?
Trap is clean bud,
Got the sink overflow in soak now...so will see how that goes..
Got the sink overflow in soak now...so will see how that goes..
DIYnot Local
Staff member
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local
