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The genuine Goodman B1756017L Vertical Drain Pan is the OEM condensate pan engineered for ARUF036 and ARUF042 air handlers, and compatible with the WAHMS3030P4ABA platform. Mounted beneath the evaporator coil in vertical (upflow/downflow) configurations, it captures condensate and channels it to the drain line, protecting your equipment and home from water damage, rust, and mold.
The OEM pan matches the exact coil footprint and drain-port location, so it seats correctly and drains completely. Generic pans frequently misalign with the coil or drain connection, causing pooling and overflow. For proper fitment and reliable condensate management, choose the OEM drain pan.
Moderate (3/5) — Power down the system and disconnect the existing drain line. The evaporator coil typically must be lifted or removed to swap the pan, then reseated and resealed. Plan for 45–60 minutes; check for level drainage after reinstallation.