Bidet Mixing Valve - Model 403 - Thermostatic. Automatic temperature adjusting bidet mixing valve with temperature restrictor to prevent burning. Temperature will not exceed 100 degrees F. unless the red safety control button is pushed. Once the temperature setting is selected (in C.) the internal thermostatic valve will automatically adjust the incoming cold and hot water lines to the temperature you selected. This model will only adjust temperature and does not turn the water off. To avoid constant water pressure on your bidet hose when not in use the Sanicare Hand Bidet with on/off valve, Model HBHO1 is required. (Click Here for Details)