UK Plumber Forum

[DIY Plumber]

The Mira's waste pipe spout bore is 39.5mm and the existing waste pipe is 43mm. I took the measurements with a vernier gauge.

I've been to two local plumbing trade places and they didn't have anything to fit the Mira's waste trap spout.

Any ideas where I can a reducer to go from 43mm down to a fit for the Mira waste?

[RPM]

Be looking at solvent weld fittings. 40-32 reducer maybe. What is the I'D of the rubber cone washers/seals as the pipes will be slightly loose in the compression fittings.

[SimonG]

Normally come with an adaptor.

What's teed into the shower waste?

[REDSAW]

https://www.bes.co.uk/polypipe-universa ... gKcgPD_BwE

[DIY Plumber]

All sorted now thanks.

To answer about the pipes, the top one is the run off from the H/W tanks and the one to the right goes down into the floor, joins up with sink pipe and out.