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The Goodman 0130F00000P Pressure Switch is a genuine OEM air-proving safety switch calibrated to -1.10" water column, designed for the GKS91155DXAE gas furnace. This normally-open switch confirms proper draft/venting before the ignition sequence begins, protecting against blocked flue conditions and unsafe combustion.
Pressure switches are calibration-critical — a generic switch with an incorrect setpoint will either nuisance-lock the furnace or fail to prove draft, both of which prevent reliable heating. This genuine Goodman -1.10" WC switch is factory-matched to your furnace's blower and vent design, guaranteeing correct trip pressure and safe operation.
Easy to Moderate. A typical swap involves disconnecting power, transferring the two spade wire terminals, and reconnecting the rubber sensing hose to the same port. Verify the hose is clear of condensate. If the furnace still fails to prove draft after replacement, have an HVAC technician inspect the inducer and venting.