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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
verify the orifice size before completing the installation
Universal Compatibility: Serves as a direct-fit replacement for all McDonnell & Miller 51-S series mechanical feeders
preserving your system's AHRI ratings and sound performance
Rated for up to 250 PSIG at 450°F
Resideo ZD14X20TZ Damper 319848-301 verify the orifice size beforeThe Resideo ZD14X20TZ is a 14 inch wide by 20 inch high rectangular zone damper designed for professional HVAC airflow management. This parallel blade zone damper utilizes a 24V synchronous motor mounted on the 20 inch side, providing a power closed spring return open configuration. Engineered for a fail safe "normally open" state, the damper automatically returns to the full open position during a loss of power, ensuring continuous airflow. The low
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