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The Goodman 20197308 Pressure Switch is a genuine OEM safety control for the Amana/Goodman AMVC950905DXAA 96% AFUE variable-speed furnace. Calibrated at -0.10 inches of water column (in. w.c.), normally open (NO), this switch proves adequate inducer draft — often as part of a multi-stage/multi-switch arrangement on this variable-speed platform — before the control board permits ignition.
On a two-stage, variable-speed furnace, each pressure switch monitors a specific draft threshold. This genuine OEM Goodman switch is factory-set to the correct -0.10 in. w.c. trip point so the sequence of operation stays intact. Generic switches with the wrong setpoint or contact type cause intermittent lockouts, failure to fire on low stage, or unsafe operation. Match OEM to protect the safety chain.
Moderate (2/5). Cut power, move the wire leads and pressure tube to the replacement, and mount with the original hardware — confirm you install it in the matching switch position. Verify staging and draft on restart. Use a licensed HVAC technician if unsure.
Keep low-stage ignition safe and reliable with the genuine Goodman 20197308 pressure switch.