Moen T8370 Commercial Posi-Temp Pressure Balancing Valve Control, Chrome Chrome Posi-Temp shower only lever design for ease of use PosiTemp pressure-balancing valve maintains water pressure and controls temperature ADA compliant Moen Posi-Temp valve not included No. Valve 8370HD or 8371HD or 8372HD or 8373HD or 8374HD, sold separately required for operation