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Manual Override Function: The integrated manual lift stem allows for manual opening during power failures or system service procedures
allowing it to fit multiple shaft diameters
What is the wiring requirement for the communication port
it is highly recommended to use the 11177117 OEM part
Set your meter to the DC millivolt scale
Resideo ZD18X6TZ Damper 321142-301 Manual Override Function: The integratedThe Resideo ZD18X6TZ is a heavy duty 18x6 zone damper designed for precision airflow management in forced air zoning systems. Built with a robust extruded aluminum frame and parallel blades, this rectangular motorized damper ensures low leakage performance and structural integrity in high static pressure environments. It features a high torque 24VAC synchronous motor that operates on a power close, spring return open logic, making it a reliable fail
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