Item: Trane OEM Integrated Control Board Model/Part #: 6400235203 (6400 235 203 REV J) Brand: TRANE / American Standard Type: Furnace / AC / Heat Pump Control Module This OEM Trane control board is used in premium Trane and American Standard HVAC systems. It controls heating stages, compressor operation, blower speeds, safety lockout, and system diagnostics. The board features multiple relays, terminal blocks, capacitors, processor chip (FIRM V3.20.3), and multi-pin connectors. The board is in good physical condition with no visible cracks or burned areas. All connectors and relays appear intact. Ideal for replacing a failed Trane module or for HVAC service technicians. S2
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