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The Goodman 0130F00504 is a genuine OEM air-proving pressure switch (orange, normally open, rated at -0.60" water column) designed for the ACES800603AXAA gas furnace. It confirms that the draft inducer is moving combustion air before the control board energizes the igniter and gas valve. A weak or stuck pressure switch is one of the most frequent causes of a furnace that flashes a fault code and refuses to light — replacing it with the correct factory part restores safe, reliable ignition.
This genuine OEM Goodman switch is set to the exact -0.60" WC trip point this furnace requires. The set point and NO/NC configuration are safety-critical: a generic switch with the wrong rating may prove draft when airflow is actually insufficient, creating a hazardous condition. Always match OEM specs on pressure switches.
Difficulty: Easy to Moderate. Power off, photograph the hose routing, transfer the silicone tubing to the new switch exactly as found, reconnect the electrical terminals, and remount. About 20 minutes. Verify the hose is free of condensate and the port is clear. If unsure, consult a licensed HVAC technician.