What to use for grohe chrome waste to waste pipe

8 Sep 2012
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West Midlands
United Kingdom
we have a grohe basin which comes with a chrome S. the plumber can't work out how to get this chrome S into the 32mm waste. He showed he a push fit and a solvent weld waste and put the chrome pipe in to demonstrate they are too loose.

What should he use? See picture of sink. I presume there is some sort of boss adapter?



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Inch and a quarter compression fitting, how long has your plumber been a plumber ?
Ok we have a 32mm chase in wall.

So from the that we put a compression elbow? Do I also chase compression elbow into wall? If I do this I won't be able to twist compression or compression but will be sticking outside? If that makes sense
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