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The Goodman 0130F00000P Sun Gold Pressure Switch is a genuine OEM draft-proving safety control for the GMH950905DXAE 96% AFUE two-stage variable-speed gas furnace. Calibrated to a -1.10 inch WC set point, this switch confirms adequate combustion draft on the high-fire / second-stage circuit before ignition is permitted. The distinctive Sun Gold housing identifies its specific trip point — installing the wrong set point is a leading cause of intermittent pressure-switch faults and no-heat calls.
Genuine Goodman switches hold the tight -1.10 in. WC calibration the furnace's staging logic depends on. Aftermarket switches with loose tolerances can trip early in cold weather or fail to prove on high fire, causing lockouts. Matching the exact factory set point keeps two-stage operation reliable.
Replacement runs about 15–20 minutes. Disconnect power, move the sensing tube and the spade wire terminals to the new switch, and remount it. Always match the -1.10 in. WC rating and Sun Gold designation to the furnace rating plate before installing to ensure correct staging and safety operation.