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this kit allows for precise pressure modulation between 2
Does this unit require a separate control board
Usually no
This plenum-rated relay features a 10-million-cycle mechanical life
ZoneFirst ZDS-30X10 Damper Els PW 29614 this kit allows for preciseThe ZoneFirst ZDS 30X10 is a heavy duty rectangular zone damper designed for professional HVAC airflow management. Built with a sturdy extruded aluminum frame and parallel blades, this side mount damper is engineered for insertion into the 10 inch side of a 30" x 10" duct. It features a high torque 24VAC synchronous motor (Model MSS) that operates in a power closed spring return open configuration, ensuring a fail safe open position during power loss
