motor shaft misalignment

Standardized Voltage: Operates on a standard 24V control circuit

the primary programming and relay logic are typically configured at the 301-EM main controller

Common symptoms include high-pitched screeching sounds

Resideo ZD18X8TZ Damper 318820-201 motor shaft misalignmentThe Resideo ZD18X8TZ is a high performance 18x8 zone damper designed for precision airflow control in residential and commercial forced air zoning systems. This parallel blade damper features a power closed spring return open configuration, ensuring fail safe operation to the open position during power loss or system interruptions. Engineered for seamless integration with Honeywell Home zoning panels, the unit utilizes a robust 24VAC synchronous motor