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though their internal switching mechanisms are functionally similar
Adjustable Timing: Onboard DIP switches allow for precise calibration of timing intervals between 6s and 20m
replacing a different blade count or pitch will alter the motor's amp draw and airflow profile
This unit is an open on rise control
Zonefirst IOBD-12X6 Damper Els PW 17895 though their internal switching mechanismsThe Zonefirst IOBD 12X6 is a professional grade 12" H x 6" W Opposed Blade Damper engineered for high performance HVAC zone control applications. Built for technicians who prioritize precision airflow, this unit utilizes an opposed blade configuration to minimize turbulence and provide a more linear flow characteristic than standard parallel blade dampers. The assembly features an internally mounted motor, which protects the 24Vac actuator from
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