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designed primarily for vertical or horizontal shaft positioning in fan-on-top configurations
If it fails to open
This plenum-rated relay features a 10-million-cycle mechanical life
Usually no
ZoneFirst ZDS-30X10 Damper Els PW 29614 designed primarily for vertical orThe 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
US$ 23.37
US$ 40.87
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