The Zonefirst AOBD-10X8 Damper is a precision-engineered HVAC zone motor damper designed for professional contractors who require reliable ductwork airflow control

it includes the factory-installed primary and secondary limit controls to ensure safe operation during low airflow conditions

Field-Ready Leads: Pre-stripped 20-inch leads facilitate easy connections to line voltage and low-voltage field devices without additional jumper wires

Trust this genuine OEM Lennox part to restore factory-spec cooling performance to your commercial or residential cooling systems without the balance issues common in universal aftermarket alternatives

If the trap is "failed open" (blowing live steam) or "failed closed" (backing up condensate)

Carrier 337564-401 Mounting Bracket 320788-703 The Zonefirst AOBD-10X8 Damper isThe Carrier 337564 401 Mounting Bracket is a critical OEM replacement component designed specifically for securing blower motor assemblies within Carrier, Bryant, and Payne air handlers and furnaces. This high grade steel blower motor bracket ensures precise alignment of the blower wheel within the housing, which is vital for maintaining optimal CFM output and preventing premature motor bearing failure caused by vibration. When performing a HVAC