Moen 8342EP15 Commercial Posi-Temp Eco Performance Pressure Balancing Shower System 1.5 gpm, ChromeMoen 8342EP15 Commercial chrome posi temp transfer shower only. install with Posi Temp pressure balancing control valve to maintain water temperature control in the shower; the brass valve (sold separately) directs water flow to multiple showering functions. Features: heavy duty brass single handle tub shower cartridge showerhead spray face features easy clean, rubberized spray nodules single function with non positive pause handheld shower includes