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The Goodman B1756028L Horizontal Drain Pan is a genuine OEM condensate pan designed for horizontal installation in the ARUF060-00A-1 air handler and compatible Goodman and Amana systems. When an air handler is mounted on its side — common in attic and crawlspace applications — the horizontal pan collects condensate from the evaporator coil along its full length and directs it to the drain outlet. A deteriorated or cracked horizontal pan is a frequent source of attic water leaks and ceiling damage.
The genuine OEM Goodman pan matches the original mounting points, length, and drain port placement for a precise horizontal fit. Generic substitutes rarely match the factory geometry and can leave condensate pooling or misaligned with the drain, leading to overflow.
Intermediate — Advanced. Horizontal pan replacement usually requires partial disassembly of the cabinet and coil to position the pan correctly. Recommended for professional HVAC technicians. Confirm correct slope and test drainage before sealing the unit.