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The Goodman 0130F00438 Combination Pressure Switch is a genuine OEM replacement designed for the ACES961205DNAA gas furnace and compatible Goodman/Amana models. This dual-stage switch monitors draft inducer pressure and proves proper venting before the ignition sequence begins, protecting your furnace from unsafe operation caused by blocked flues, condensate backups, or inducer failure.
This is a genuine OEM Goodman part, factory-calibrated to the exact -.10"/-.85" WC trip points your furnace's control board expects. Generic switches often differ slightly in set point and may cause nuisance lockouts or fail to prove on cold-start. Choose OEM for guaranteed calibration and fit.
Moderate (2/5). Replacement involves disconnecting power, transferring the rubber pressure hoses to the correct ports, and swapping the wiring spade terminals. Most handy homeowners complete it in 15–20 minutes; we recommend a licensed HVAC technician if you are unsure of the hose routing.