Hot answers tagged vanity
As country handyman says, if the're already supplying enough you don't need to change them. However, if you're seeing a temp increase when you flush, then you ARE losing pressure, and the hot is making up for it, unbalancing your temperature. I'll wager a guess that the pipe is currently 1/4 inch and that the toilet is fed before the sink. If that's the ...
You don't need to change the pipe size, If the size pipes you have already are supplying enough pressure.
Only top voted, non community-wiki answers of a minimum length are eligible