The temperature control unit 59904501 from Hansa is made of brass and is optimally designed for the UP thermostats 1/2 Hansamat. It is compatible with the thermostat batteries Hansamat-Vario 0808, Hansamatic 0803, 0848, as well as Hansamat 0810, 0864, and 0893. Including a waste filter and thermostat cartridge, it ensures automatic temperature regulation.