Note: Our 3-way Shower Faucet includes valve. And the kit is Not compatible with other brand's valves and cartridges. If install this shower kit, the old shower valve must be removed.(No welding required when installing pipes). Pressure Balance Valve Cartridge: EMBATHER shower faucets sets complete is equipped with a pressure balance valve cartridge to monitor the water pressure balance and protect you and your family from being scalded by sudden changes in hot or cold water pressure. Hot and cold water can be easily adjusted by a single handle. Easy Installation & No Water Noise: Wall mounted. Come with clear install instruction. Our shower fixtures are designed with NPT 1/2" connector, which is compatible with U.S. standard plumbing connections for saving man-hour cost during installing. cUPC certification Products are in compliance with the following standard(s): ASME A112.18.1-2018/CSA B125.1-18. Approved by the California Energy Commission. 6-inch High Pressure Rain Shower Head: 6" round shower head offering a good coverage to soak your entire body as if you are in a luxury hotel or spa. 6 function shower mode, give you a funny shower. Massage shower can relieve pain massage tired muscles for showering experience. 3-Way Shower Faucet Set Include: Shower valve and trim kit, 6" rain shower head, 6" shower arm. This shower kit with valve and shower head will revolutionize your bathroom and is also a great new house gift for your friend! Satisfaction Support: If you have any questions about our shower fixtures,you can contact with us.We take every customer seriously. single shower head shower faucet