WATER EVOLUTION 1 Way Concealed Thermostatic Bath & Shower Mixer Internal Part – T0.420T.BI
 
The WATER EVOLUTION T0.420T.BI Internal Part is a precision-engineered concealed thermostatic body designed for single-outlet bath and shower installations. Part of WATER EVOLUTION's ONE TO ALL system, it provides the essential in-wall component for creating a clean and minimalist concealed showering installation.
 
Featuring thermostatic temperature control, the internal mixer supplies one water outlet and delivers a flow rate of 12 litres per minute at 3 bar. It operates from a minimum pressure of 1 bar, with a recommended working pressure of 2–5 bar, helping provide controlled and consistent performance for everyday showering.
 
The concealed body measures 266mm wide by 134mm high and 59mm deep, with 122.5mm centres shown on the manufacturer's technical drawing. Hot and cold water connections and the head shower outlet are all G1/2". Supplied as an internal concealed assembly with thermostatic cartridge, on/off valve and protective plastic box, it provides a dependable foundation for WATER EVOLUTION concealed shower configurations.
 
Compatible with the Flow, Magnum, Gear, Cruz, Boca and Switch collections, it provides a versatile foundation for bespoke WATER EVOLUTION showering installations.
 
Key Features
WATER EVOLUTION ONE TO ALL internal part
1 way concealed thermostatic mixer
Designed for bath and shower installations
Single water outlet
Thermostatic temperature control
12 l/min flow rate at 3 bar
Minimum operating pressure of 1 bar
Recommended working pressure of 2–5 bar
Maximum operating pressure of 10 bar
Maximum water temperature of 70°C
G1/2" hot and cold water inlets
G1/2" shower outlet
Concealed in-wall installation
Thermostatic cartridge included
On/off valve included
Protective plastic box included
Dimensions: W266 x H134 x D59mm
122.5mm connection centres
Compatible with Flow, Magnum, Gear, Cruz, Boca and Switch
Model number T0.420T.BI