This new k-ts15601-4h trim replaces the existing k-t15601-4h trim. The new trim is identical and includes trim Adapter kits for both Rite-Temp k-304/k-2971 hiflow and the new k-8304 series valve.; pressure-balancing diaphragm technology maintains outlet temperature within +/-3 degrees Fahrenheit during water pressure fluctuations.; provides temperature regulation and automatic anti-scald protection.; single handle controls both on/off activation and temperature setting.; includes faceplate with ada-compliant metal lever handle.; includes diverter bath spout with 1/2 inch NPT connection.; includes single-function 1.5 gpm (gallons per minute) showerhead.; showerhead features Masterclean™ sprayface for easy cleaning.; includes showerarm with flange.; coordinates with coralais faucets and accessories.