The beautiful Avanna Shower Kit will be a great shower in any bathroom setting. This shower allows you have the valve either exposed or concealed depending on your own personal preference. Dual controls: Allow both the water temperature & flow to be controlled. Thermostatic control: You can shower with the knowledge that if the water pressure dropped for any reason, the water temperature would not change. Suitable for low water pressure & combination boilers. Specifications: We recommend a minimum operating pressure of 0.1 bar for the shower (please consult a qualified plumber if you have any queries.) 5 year manufacturers guarantee (2 years parts & labour, following 3 years parts only).