10mm Pipe For Hot Water Taps? (Content copied from EB)   Started by Eagerbeaver , 24 Jan 2016 07:56 AM   10 replies to this topic Eagerbeaver Posted 24 January 2016 - 07:56 AM All the water pipe installs I've seen use 15mm pipe but the flow capacity of 15mm is far more than is needed for most hand basins and sinks.  The down side of using 15mm for hot water is that you end u