Why is my basin chrome waste pipe OD 35mm ?

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brian35mm

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I have to replace an 8 year old corroded chrome basin bottle trap. It connects to a 35mm waste pipe that disappears into the wall.

1. I can't find any basin bottle traps that accept 35mm chrome pipes.
2. What does the 35mm pipe connect to behind the wall ?
3. Why do 35mm chrome pipes even exist if you can't buy things that connect to them ?
 
A McAlpine A10 should work.

It could connect to a multitude of things behind the wall.
 
Thanks, I'll try that. It (A10) says it's a 32mm fitting but if you're recommending it I'm assuming it'll accept a range of ODs
 
Thanks. Somehow the housebuilder managed to fit chrome bottle traps that take 35mm pipes. I've tried a few that take nothing but 32mm.
 
Wonder if a drum flap wheel was used to enlarge the opening and sandpaper on the pipe.
 
Hi, it's on an estate with 100's of houses so I think they just had traps with 35mm outlets. Is 35mm something that was more common 10 years ago ?
 
brian35mm said:
Hi, it's on an estate with 100's of houses so I think they just had traps with 35mm outlets. Is 35mm something that was more common 10 years ago ?
Click to expand...
Maybe just a specific manufacturer, there are al sorts of oddities with waste pipe sizes.
 
"Additionally, chrome waste pipes are available in 35mm and 42mm sizes, necessitating the use of a conversion seal or fitting for proper connection to plastic pipework."

ondemandsupplies.co.uk

Why Does Waste Pipe Come With Different Sizes - 32mm and 36mm - 40mm and 43mm?

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ondemandsupplies.co.uk ondemandsupplies.co.uk
 
Thanks I'm on my way to Screwfix to buy the A10, thanks for the guidance.
 
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