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The Goodman 0130F00504 Pressure Switch is a genuine OEM air-proving switch built for the ACES800603ANAA gas furnace. Rated at -0.60" water column and configured normally open (NO), this orange-coded switch verifies that the inducer/vent motor is producing proper draft before the control board allows ignition — a critical safety interlock that prevents combustion when venting is blocked.
This genuine OEM switch is factory-calibrated to the precise -0.60" trip point your furnace expects. Generic substitutes with slightly different set points are a leading cause of intermittent no-heat lockouts and ignition faults. Matching the exact rating and color code ensures reliable, code-correct operation.
Easy (2/5) — Power down the furnace, label and disconnect the silicone hose and the two wire spades, remove the mounting screw, and install the replacement. Verify the hose seats fully with no kinks. Typical install time is 15–20 minutes.