Additional Appliance Waste

denzildexter · 16 Aug 2020

Hi Forum,
I need to add an additional appliance waste to the setup in the attached photos (there are already two in the first picture). I can't seem to find anything obvious online that will do the job so can anyone here point me in the right direction.

Thanks,
DD

dilalio · 16 Aug 2020

Add a universal compression T into the vertical section of waste pipe (make sure it's one that will grab pushfit pipe.
And then connect an appliance upstand trap into that and feed the drain hose down into it.

muggles · 16 Aug 2020

https://www.screwfix.com/p/floplast-hose-connector/48625

And

https://www.screwfix.com/p/floplast-wc23-universal-compression-waste-equal-tee-white-40mm/73315

Insert item 1 into the branch of item 2, and cut into the horizontal section between the two sinks

denzildexter · 16 Aug 2020

Thanks Muggles & Dilalio,
I think I get what you're both say. One of you suggests the connecting to the horizontal pipes between the sinks and the other to the vertical section of the waste pipe (which was what I was planning). Is there any advantage to either option?

terryplumb · 16 Aug 2020

Fitting a standpipe into the vertical section would negate the possibility of sinks " gurgling" when water is pumped from appliances .
By the way the existing spigots should point upward ,and appliance waste hoses should go downward into them.
The appliance hoses should not come upwards ,that can allow waste water to run into the appliance.

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Additional Appliance Waste

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