a fully recessed wall-mounted stainless steel cabinet

Flame-resistant material won't burn immediately like a cellulose mat

and G standards

Speakman SM-11410-P-BN Tiber Collection Shower System with Diverter Valve

ASCO Stainless Steel Angle Body Piston Valve, 2-Way/2-Position Valve Design, Normally Closed - 8290A791 Operation Type - Foot Control (F) a fully recessed wall-mounted stainless2 Way Normally Closed Angle Body Piston Valves, Pilot pressure range: 60 to 150 psi Max. fluid temp.: 366F,Auxiliary piloted piston valves feature cold rolled stainless steel shaft, spring loaded stem seal, and DuPont Viton shaft wiper. Require 120V, 60 Hz solenoid valve. Designed to handle water, light slurries, and steam.