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The Goodman 20197308 Pressure Switch is a genuine OEM air-proving safety control calibrated to -.10" water column (WC), normally open, for the AMEH960603BXAA gas furnace. This switch confirms that the inducer draft motor is moving combustion air correctly before the control board permits ignition. If venting is blocked or the inducer is weak, the switch prevents the burners from firing — a critical safeguard against unsafe operation and carbon monoxide spillage.
Pressure switches are calibrated to an exact set point. This OEM 20197308 is factory-matched to the AMEH960603BXAA's inducer airflow, eliminating the guesswork and nuisance lockouts common with generic switches set to the wrong WC rating. An incorrectly rated aftermarket switch can either fail to prove airflow or bypass a genuine venting fault — both undesirable outcomes.
Moderate (2/5). Replacement takes about 20–30 minutes. Cut power at the disconnect, transfer the wiring spade connectors one at a time to avoid mix-ups, and reconnect the silicone sensing hose without kinks. Verify operation with a manometer if available. When in doubt, use a licensed HVAC professional.
Keep your furnace safe and code-compliant with the genuine Goodman 20197308 pressure switch.