Monitor pressure balance valve keeps water temperature within a safe +/-3degrees F (+/-1.6degrees C), helping to protect you from sudden changes in hot or cold water pressure. Trim kit only, must order MultiChoice Universal rough-in separately to complete the unit. Meets standards set by Americans with Disabilities Act (ADA). LHD= Less shower head (order separately). Single function operation. Single lever handle for ease of temperature control. Backed by Recertified 10-year Limited Warranty | Delta® Compel® Monitor® 14 Series Tub & Shower Trim - Less Head (Recertified), Stainless, T14461-SSLHD