M magor Jun 6, 2009 #1 hi just tiled the bathroom now i need to install new bath ..im connecting the pipes from the hot and cold taps to the pipes under the floorboards do i keep these pipes at 15mm or does the hot pipe have to be 22mm thanks
hi just tiled the bathroom now i need to install new bath ..im connecting the pipes from the hot and cold taps to the pipes under the floorboards do i keep these pipes at 15mm or does the hot pipe have to be 22mm thanks
T theyomper Jun 6, 2009 #2 Would depend on your boiler. If it is gravity fed then I would suggest keeping the hot on 22mm. If you have a combi boiler then 15 mm would be fine.
Would depend on your boiler. If it is gravity fed then I would suggest keeping the hot on 22mm. If you have a combi boiler then 15 mm would be fine.
