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The Goodman B1756017L is the vertical-configuration condensate drain pan engineered for ARUF036 and ARUF042 air handlers. It sits beneath the evaporator coil to capture condensate and route it to the drain line. Cracked, warped, or algae-clogged pans cause overflow, water damage, and float-switch trips — replacing the pan restores proper drainage and protects the cabinet and surrounding area.
The OEM B1756017L is molded to the exact coil footprint and drain-port location, so it seats flush and aligns with the existing drain fitting. Generic universal pans often require trimming or repositioning and may not align with the float switch. For a leak-free fit, OEM is recommended.
Plan for 45–60 minutes. Power off the unit, disconnect the condensate line, slide the coil to access the old pan, then position the new pan, re-seat the coil, and reconnect drainage. Confirm proper slope toward the drain. Best handled by a confident DIYer or HVAC technician.