Resideo ZD12X24TZ Damper 321894-709 Replacing a worn or leaking

Replacing a worn or leaking housing with this genuine HVAC inducer assembly restores factory-spec drafting and prevents pressure switch faults

Conversion to Propane (LP) requires a specific orifice kit and regulator adjustment to maintain proper manifold pressure

Are different micron ratings available for the replacement screens

000 feet above sea level may require smaller orifices not included in the standard sea-level kit

Is the BX95 compatible with standard B-section pulleys

Resideo ZD12X24TZ Damper 321894-709 Replacing a worn or leakingThe Resideo ZD12X24TZ is a heavy duty, parallel blade zone damper designed for precision airflow management in rectangular ducts. Built with a power closed spring return open configuration, this 12" x 24" unit ensures fail safe operation by defaulting to the open position upon loss of power. The 24Vac synchronous motor is side mounted on the 24 inch dimension, featuring a high torque 71 in oz output and integrated Kevlar gearing for industrial grade