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Ensure safe combustion airflow with this genuine OEM Goodman 0130F00000P pressure switch, calibrated at -1.10 inches water column and identified by its Sun Gold housing. Designed for the GMH950905DXAD furnace, this switch proves that the induced-draft blower is pulling adequate draft before the ignition sequence begins. If venting is blocked or the inducer is weak, the switch prevents the burners from firing — a critical safety interlock against incomplete combustion and CO buildup.
Pressure switches must match the furnace's exact set point — a generic switch with the wrong WC rating either nuisance-trips on good drafts or, worse, fails to trip when venting is dangerously restricted. This OEM switch is factory-calibrated to the -1.10" spec, guaranteeing the safety logic works as engineered.
A 15–20 minute swap. Disconnect power, photograph the wiring, transfer the two spade terminals and the rubber sensing hose to the new switch, then mount it in the original bracket. Confirm the hose is free of condensate and firmly seated. Restart and watch a full ignition cycle to verify the switch closes on a call for heat. No calibration needed.
Genuine Goodman safety component — exact fit for the GMH950905DXAD.