"David Lang" wrote in message
...
On 25/06/2015 21:53, Fredxxx wrote:
These will be next to each other.

There is very little room behind these appliances and was wondering how
practical it is to have a common waste system.

Are there any regulations on the horizontal length of the U trap, such
that I can make a combined trap for both. I would use 40mm pipe,
possibly solvent weld.


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This diagram will only work with fixed width fonts.

Use one of these

http://www.amazon.co.uk/McAlpine-Twi.../dp/B00CM87XS0

****ing hell, another one of those complete obscenitys of a picture
with very little contrast between the item and the background.

most plumbers merchants have them.