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The Goodman B1393803 Single Wing PCB Support is a genuine OEM mounting standoff for the ADSS800804BXAC gas furnace. This single-wing clip holds the furnace control board (PCB) at the proper standoff height and snaps into the control panel to keep the board secure against vibration while preventing contact with surrounding sheet metal.
The single-wing B1393803 is often paired with the double-wing support to fully retain a control board. Because the wing profile and post height are model-specific, the OEM part guarantees a positive lock where generic standoffs may pop loose. Buy the genuine part to keep your board seated and protected.
Difficulty: Easy. Hand-installed snap-in fit — no tools required. Always disconnect furnace power before servicing the control board. A low-cost, essential replacement for a broken or missing support.