The EPH TA230 Thermal Actuator is designed for reliable valve control in central heating and HVAC installations. This 4-wire, 230V unit features a normally closed (NC) design that requires power to open, providing fail-safe operation for automated thermal management systems. Engineered for versatility, it includes an integrated auxiliary connection to support complex system configurations and maintenance of consistent valve positioning. The actuator functions effectively within an ambient temperature range of 0-50°C and exerts a spring pressure of 125N to ensure dependable performance in demanding environments. It is constructed to integrate seamlessly into standard heating circuits requiring automated 2-point or 3-point control, offering long-term stability for various valve applications.