The Multichoice Universal rough works with any Brizo pressure balance or TempAssure Thermostatic shower trim. Once it is installed, it is easy to update the shower experience or update its style at any time, without having to go behind the wall. Forged brass body Multichoice universal valve body only 1/2" universal inlets accept 1/2" copper, 1/2" iron pipe, PEX or CPVC adapters 1/2" universal outlets, inlets/outlets have male threads BX = single box model Thin wall mounting Back-to-back installation capabilities Square plasterguard allows for right angle cuts Can be tested with air (200 PSI) or water (300 PSI) without valve using supplied test cap ASME A112.18.1 / CSA B125.1