Hi sir?iam Dedy.e from indoensia,i interested with your project,i ready to help you for built your shower with all accesoris part,i have checl your file my opinion this we will buy cabinet shower,heater unit,and water pum,hose,so we built unit cabinet shower installed with heater unit,and water pump,when if move this cabinet unit we just instal hose,plug n play in foucet and install hose for water disposal,i wait your replay and i waiting good news from you,Best regard Dedy.e