Resideo ZD14X22TZ Damper 320735-701 Using the OEM S1-024-40899-000 is

Using the OEM S1-024-40899-000 is the recommended path for York systems to ensure the motor fits the factory belly band or mounting studs without modification

Replace the element immediately if you detect a vacuum pressure drop or visible bypass of contaminants into the intake manifold

this is a dedicated OEM component specifically calibrated for BTH 150 and BTH 100 models

significantly reducing fuel costs

The S1-373-39504-003 is a conversion hardware and component kit

Resideo ZD14X22TZ Damper 320735-701 Using the OEM S1-024-40899-000 isThe Resideo ZD14X22TZ Parallel Blade Zone Damper is a professional grade component engineered for precision HVAC zoning within rectangular duct systems. Measuring 14 inches wide by 22 inches high, this Honeywell TrueZONE compatible damper features a 22 inch side mounted synchronous motor. Operating on 24VAC, the power closed spring return open configuration ensures a fail safe normally open state, maintaining critical airflow during power