40mm

I am adding a new bathroom on the first floor of my house and there is limited space to run the drains to the existing soil stack. I have bought a branch connector for the soil pipe (see link) and was hoping to be able to join the shower and basin drain into one of the 40mm side bosses but have...

What's the best way to ensure a watertight fit connecting a 38mm European / continental waste pipe to a 40mm UK compression waste fitting without using a 38mm to 40mm adaptor prior? The reason not to use an adaptor is because there is no space. Note, a 40mm compression fitting on a 38mm pipe...

I've been looking online at a new sink base unit that's listed as having a 40mm void to it's rear? Is it 40mm, or is it actually larger in order to accommodate the compression connections etc? My existing sink waste pipe is slightly over 40mm anyway, with the various connectors being...

I have installed a Grohe Talentofill (28991000) now need to connect the waste. As usual the waste now poses a problem. It appears that the swivel waste outlet of the Talentofill had an outside diameter of 47mm. At first I figured this must be a 50mm compatible fitting (as stated in the Grohe...