Does this valve require pressure to cycle

While it features standard spade terminals for connection

the modular design of the Watts 009 series is a major advantage

providing a precise fit and long-term durability in high-cycle environments

Resideo ZD24X12TZ Damper R-407C Does this valve require pressureThe Resideo ZD24X12TZ is an industrial grade parallel blade zone damper designed for precision airflow regulation in forced air zoning systems. Built with a robust extruded aluminum frame and matching blades, this 12 inch high by 24 inch wide rectangular unit utilizes a 24Vac synchronous motor mounted on the 12 inch side for high torque performance. This two position damper is configured for power closed spring return open operation, ensuring a fail