Buy Shower: Valve

: Necessary if you have both a tub and a shower. It directs the water from the tub spout up to the shower head. 2. The Compatibility Trap

: If you want flexibility, look for "Universal" rough-in valves like the Delta R10000-UNWS , which works with most Delta trim styles. 3. Shopping and Installation Secrets How to Install a Shower Valve Kit (For Beginners)

The most important step is choosing the right for your household needs.