Grohe Grohtherm SmartControl thermostat with 2 shut-off valves and integrated shower bracket - 29125000 | REUTER
GROHE SmartControl - Concealed Mixer for Shower or Bath (2 Valves, Square Shape, Set for Final Installation for GROHE Rapido SmartBox, Push for ON-OFF, Turn for Volume Adjustment), Chrome, 29148001
Smart Shower Controller
GROHE RAINSHOWER SYSTEM SMARTCONTROL WITH THERMOSTAT
Grohe 29160LS0 Grohtherm Smartcontrol Dual Function Thermostatic Trim With Control Module, Without Box, Moon White - - Amazon.com
GROHE Grohtherm® SmartControl Single Function Thermostatic Trim with Control Module | Wayfair
Smart Shower Controller
GROHE SmartControl - Concealed Mixer for Shower or Bath (2 Valves, Square Shape, Set for Final Installation for GROHE Rapido SmartBox, Push for ON-OFF, Turn for Volume Adjustment), Chrome, 29148001