1. RP51919 Cartridge with 6 Settings for Faucet Valve Body R11000 2. Compatible with R11000 R22000Ensure compatibility by checking the comparison photo of your shower faucet and valve before ordering. Please verify the part number, model, and years before . Thank you! 3. Brass MaterialMade of brass, this RP51919 6setting cartridge offers heat and corrosion resistance to ensure stability and durability. It is easy to use and limits the maximum hot water flow to prevent overheating. 4. Water Temperature ControlFeaturing a pressurebalancing design, this cartridge maintains water temperature within a safe range of ±2°C, protecting you from sudden hot/cold water pressure changes and unexpected temperature fluctuations while showering. 5. Easy Replacement: To fix a leaking faucet without replacing the entire fixture, turn off the water supply and install the RP51919 cartridge into the diverter valve. Remember to clean all debris from the old cartridge area before installing the one.