One for the plumbers - pipe sizes
I'm in the middle of planning my bathroom installation. Currently I have 2 22mm pipes going to the bath taps, which then have a T with a 15mm pipe coming out to go to the shower. Shower works directly off the combi boiler. The taps have flexi hoses.
At the moment, the shower has decent pressure, but the bath takes an age to fill up. I assume this is more to do with flow than pressure, but I do know that this is a low pressure area. My question is - what size pipes should I use in my new installation. I already plan to remove the flexi pipes as they are an obstruction to the flow, but should I use 22mm to the tap and 15mm to the shower as is, or some other combo?
Pipework will be copper pipe with solder fittings