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Ensure reliable ignition and safe operation on your Goodman ADS80703ANA furnace with genuine Goodman A3468601 pressure switch tubing. This 3/16 inch inside-diameter hose carries the negative pressure signal between the inducer/vent and the pressure switch, allowing the control board to confirm proper draft before the burners light. Cracked, brittle, kinked, or condensate-clogged tubing is a leading cause of a furnace that locks out on a pressure switch fault and won't fire.
The OEM Goodman A3468601 is made from heat- and condensate-resistant material rated for the furnace environment and sized to seal correctly on the factory ports. Generic tubing may not match the exact ID, can split at the barbs, or harden quickly near the heat exchanger. For a leak-free pressure signal, choose OEM.
Very easy (DIY-friendly). About 5–10 minutes — slide the old tube off the switch and inducer ports and press the new hose fully onto each barb, routing it without kinks or sags that could trap condensate. Turn off power before servicing. No special tools required.