Caleffi Z57 N/C Zone Valve 7.5Cv W/Auxiliary Switch 1-1/4" Sweat 24V

The Caleffi Z57 Zone Valve is the motorized valve which is used to control the flow of water in the hydronic heating and cooling system to the zones of a building. Flow coefficient of 7.5 Cv and 1-1/4” sweat connection, the valve works on 24V that can control the temperature effectively. When the thermostat calls for heat, the valve opens allowing hot water to flow and closes when the temperature is right. It not only increases energy effectiveness by reducing loss but also increases comfort by providing the means to heat different areas to a different degree. Suitable for residential and commercial HVAC system applications, it influences the energy efficiency.