The Ideal Standard A7229AA Ceratherm T100 is a surface-mounted shower thermostat in chrome. It offers reliable protection against excessively warm temperatures with a constant mixed temperature, even with fluctuating water pressure. The Cool-Body function keeps the faucet cool, and the temperature lock at 40 degrees provides additional safety. With its Eco function, it saves energy and water, while the anti-lime feature ensures durability. The metal handle guarantees extreme durability.