Which Chrome Pipe size 35mm or 42mm?

24 Feb 2004
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United Kingdom

Hopefully a simple one...

I have a chrome plated p-trap (spec can be found here


It states diameter as 40, 41 and G 1 1/2. Question is what size chrome plated pipe will fit into this? I have only seen 42mm and 35mm advertised. Is the 42mm too large - is the 35mm to small? Can the 42mm be persuaded in...does the 35mm need packing out with something?

Also the chrome pipe will join behind paneling to a plastic waste pipe - will a plastic compression fit on the chrome plated pipe above? If so what size?

Tks in advance for any help that comes my way.

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