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The Goodman B1756017L Vertical Drain Pan is a genuine OEM condensate pan built for vertical-configuration Goodman AEPF18301BA, ARUF036, and ARUF042 air handlers. A cracked, warped, or rusted-through drain pan is one of the most common causes of ceiling stains and water damage near an indoor unit. Dropping in the factory-matched pan restores proper condensate capture and slope to the drain port.
The OEM B1756017L matches the cabinet footprint, mounting tabs, and drain-port placement exactly, so the slope drains fully and the coil seats correctly. Universal pans frequently sit proud of the rails, block the secondary drain, or allow standing water that breeds biofilm. For a leak-prone component, exact fit is the difference between a dry closet and a callback.
Moderate (3/5). Requires pulling the evaporator coil to access and swap the pan, then re-sealing connections and verifying drainage. Disconnect power, plan for refrigerant-line clearance, and confirm the primary and secondary drains flow before closing the unit. Best performed by a qualified HVAC technician.