ROUGH SOLD SEPARATELY: Diverter valve trim kit only, purchase Delta's MultiChoice Universal Shower Valve separately to complete the unit (recommended rough-in valve model R22000) PROTECTION FROM SUDDEN TEMPERATURE CHANGES. The TempAssure Thermostatic Valve Cartridge ensures a consistent shower temperature, while the dual-function shower handle allows you to control the water temperature and volume separately for maximum control SEPARATE CONTROLS, ONE TRIM: The Delta MultiChoice Integrated Shower Diverter provides a streamlined style without the need for an additional diverter valve. Plus you can update style and functionality later without altering plumbing behind the wall 6-FUNCTION DIVERTER: The single-handle diverter trim kit design offers 3 individual positions and 3 shared position INSTALLATION: Installing this product may require removal of existing tile or shower walls if current valve body is not a Delta MultiChoice Universal Valve. Consider consultation with an installation professional prior to purchase Bottom handle controls on/off and adjusts volume, while the dial controls temperature Cartridges included ADA Compliant Backed by Delta Faucet's Lifetime Limited Warranty