Q: Dear Ed: We have an older shower stall and the mixing valve has to be replaced. The valve is installed in an area hard to access and we need to open up the tile. The present tile can’t be matched.

Q: We have an older shower stall and the mixing valve has to be replaced. The valve is installed in an area that’s hard to access, and we need to open up the tile. The present tile can’t be matched.

For homeowners looking to upgrade the water features of a shower stall without need for an invasive approach, the simplest tactic is to swap out the shower head for something new. While this is ...