American Standard Studio S 2.5 gpm/9.5 L/min Tub and Shower Trim Kit With Rain Showerhead, Double Ceramic Pressure Balance Cartridge With Lever Handle - AMS-TU105502

Trim only. The Studio S TU105502 kit covers the finished parts you see on the wall (lever handle, brass escutcheon, 8 inch rain showerhead, 12 inch shower arm and flange, and a slip-on diverter tub spout) and is built for use with American Standard Flash shower rough-in valves. The rough-in valve body goes in the wall and has to be ordered on its own, so budget for both lines on the job.

It's set up as a tub and shower application. The kit includes a slip-on diverter tub spout, and that spout is what diverts water up to the showerhead, so there's no separate diverter on the handle. On a shower-only stall you'd want a shower-only trim instead, or you'd be capping a spout port that the system relies on.

It is. The double ceramic pressure balance cartridge holds output temperature steady when hot or cold supply pressure changes, such as a toilet flushing elsewhere in the building, and it carries an adjustable hot limit safety stop that caps how much hot water can enter the mix. Property managers setting a building-wide max temperature can dial that stop in at trim-out.

The Studio S rain showerhead is rated at 2.5 gpm (9.5 L/min) maximum. That's the older federal maximum, so it's fine in most jurisdictions but will not satisfy a 1.8 or 2.0 gpm spec, which is what California and Colorado-style water efficiency rules and many green building programs call for. If your project is under one of those, this head is the wrong pick.

Yes. The cartridge has back-to-back capability, so hot and cold can be reversed without repiping. That's a common save on remodels and on back-to-back bathroom walls in multi-family where the rough got mirrored.

No. Integrated check valves are built into the Studio S cartridge to eliminate cross flow between hot and cold, so you are not adding external checks at the valve. That matters on jobs where an inspector is looking for backflow protection at the mixing valve.

The kit ships a 12 inch (300 mm) shower arm and flange with an 8 inch (200 mm) rain head. A straight 12 inch wall arm pushes the head roughly a foot off the wall, which puts an 8 inch face near the center of a standard 30 to 32 inch deep tub or stall. Ceiling drops or deeper enclosures need a different arm, purchased separately.

Brushed nickel, ordered as TU105502.295. If you're standardizing fixtures across a unit or a floor, that's the only finish this kit is built in, so any matching lavatory or accessory trim needs to be specified in brushed nickel to line up.

It's a one-piece cartridge, so service is a pull-and-replace at the valve rather than rebuilding a stack of parts. The ceramic disc mixing valve is what resists dripping in the first place, and the ceramic material is unaffected by mineral deposits and hard water, which is the usual failure driver in high-use rental and hospitality showers.