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The 2539306S Blower Housing is a genuine Goodman 10 x 8 inch scroll assembly built for the ADV80703BXA gas furnace and compatible Goodman/Amana air-handling platforms. This galvanized-steel volute encloses the squirrel-cage blower wheel and directs conditioned air into the supply plenum. The housing determines airflow path, static pressure, and blower noise — a bent, corroded, or rattling housing causes reduced CFM, whistling, and vibration that shortens motor and bearing life. Replacing a damaged housing restores rated airflow and quiet operation.
The OEM Goodman 2539306S matches the exact cutoff plate position, mounting flanges, and cabinet dimensions for correct airflow and a bolt-in fit. Generic housings often differ in scroll geometry, degrading CFM and increasing noise. OEM is recommended for factory-rated performance.
Moderate to Advanced (4/5). Requires removing the blower assembly, transferring the motor and wheel, and setting proper wheel-to-cutoff clearance. Best handled by an HVAC technician to avoid airflow and balance issues.