The Danfoss HPA2 2-Port Zone Valve Actuator is a white corded electric unit designed for indoor use in heating control systems. With a voltage of 230V, this valve actuator is specific for cylinder heating systems. Manufactured by Danfoss in Bulgaria, this 4-wire head actuator is a reliable choice for efficiently controlling heating in your home or building. The compact design and specific features make it an essential component for maintaining optimal temperature levels.