PURETHERM - thermostatically controlled mixing unit DN 25 for a constant temperature water supply of pre-mixed warm water, with connection unions, non-return valves and dirt strainers. Temperature selector for adjusting the temperature from 30 to 65 °C. Thermostat with expansion element (wax) and fastening made of brass, stainless steel springs, housing made of raw brass. Volume flow 84 l/min at a flow pressure of 3 bar (free outlet).