The valves maintain a constant, set temperature of mixed water, regardless of changes in the temperature coming out from the heater or tank. The valve is available in two variants of the setting range – code: 520-3048 (temperature range: +30ºC ÷ +48ºC) and code: 520-4060 (+40ºC ÷ +60ºC). Body: chrome-plated brass CW 617N, closing element: brass CW 614N, spring: stainless steel, seals: EPDM.