Resideo ZD26X12TZ Damper 318973-401 Whether you are performing routine

Whether you are performing routine maintenance or a humidifier fan relay replacement

Is the calibration traceable

Is this an OEM Copeland part

providing reliable thermal protection against flame rollout and overheating

Resideo ZD26X12TZ Damper 318973-401 Whether you are performing routineThe Resideo ZD26X12TZ Damper is a professional grade, rectangular zone damper designed for precision airflow management in forced air HVAC systems. Built with a heavy duty extruded aluminum frame and blades, this 26" x 12" unit utilizes a parallel blade configuration to ensure structural rigidity and a low leakage seal during operation. The assembly features a high torque 24VAC synchronous motor mounted on the 12 inch side, providing a power closed