GROHE Grohtherm Smart Control Dual Function Thermostatic Trim with Control Module in Starlight Chrome (Valve Not Included) 29137000 - The Home Depot
GROHE Europlus® 6.6 gpm 2-Function Thermostatic Trim with TurboStat Control Module at 45 psi Max Flow Rate in Starlight Polished Chrome - 19878000 - Ferguson
Grohe 29160LS0 Moon White SmartControl Dual Function Thermostatic Valve Trim Only with SmartControl, EcoJoy, and TurboStat - Less Rough-In Valve - Faucet.com
¾” Reversed Turbostat Cartridge
Grohe 47483000 Turbostat Thermoelement 3/4 Inch Thermostatic Cartridge for THM 4005176815409 | eBay