Would it be possible to connect a 22mm plastic pipe for the boiler
condensate into the side of a 40mm plastic pipe?
The latter has the washing machine corrugated pipe outlet inserted into
the open top of this pipe which leads to the drain gulley.
I did consider heating a 22mm copper pipe and melting a hole in the side
of the 40mm waste pipe since the condensate pipe is not under pressure
but I would be grateful for a neater solution.
You can get a 40-22mm reducer to go into a waste fitting.
Cut in a tee to your waste and push in the reducer to take the
You will get a reducer from any plumbers merchant the sells
plastic waste pipe.
gives you a good idea what is available.
Look on universal waste page of this site, I think there is universal 40 40
that does not need any solvents (easy to get at if any blockage)
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