Moen 8342EP15 Commercial Posi-Temp Eco Performance Pressure Balancing Shower System 1.5 gpm, Chrome lever design for ease of use PosiTemp pressure-balancing valve maintains water pressure and controls temperature standard with handshower ADA compliant Moen Posi-Temp valve not included No. Valve 8370HD or 8371HD or 8372HD or 8373HD or 8374HD, sold separately required for operation